bootstrap background

Solutions on MaxInterview for bootstrap background by the best coders in the world

showing results for - "bootstrap background"
09 Apr 2017
1<p class="text-primary">.text-primary</p>
2<p class="text-secondary">.text-secondary</p>
3<p class="text-success">.text-success</p>
4<p class="text-danger">.text-danger</p>
5<p class="text-warning">.text-warning</p>
6<p class="text-info">.text-info</p>
7<p class="text-light bg-dark">.text-light</p>
8<p class="text-dark">.text-dark</p>
9<p class="text-muted">.text-muted</p>
10<p class="text-white bg-dark">.text-white</p>
30 Mar 2019
1<div class="p-3 mb-2 bg-primary text-white">.bg-primary</div>
2<div class="p-3 mb-2 bg-secondary text-white">.bg-secondary</div>
3<div class="p-3 mb-2 bg-success text-white">.bg-success</div>
4<div class="p-3 mb-2 bg-danger text-white">.bg-danger</div>
5<div class="p-3 mb-2 bg-warning text-dark">.bg-warning</div>
6<div class="p-3 mb-2 bg-info text-white">.bg-info</div>
7<div class="p-3 mb-2 bg-light text-dark">.bg-light</div>
8<div class="p-3 mb-2 bg-dark text-white">.bg-dark</div>
9<div class="p-3 mb-2 bg-white text-dark">.bg-white</div>
24 Aug 2020
1<div class="p-3 mb-2 bg-gradient-primary text-white">.bg-gradient-primary</div>
2<div class="p-3 mb-2 bg-gradient-secondary text-white">.bg-gradient-secondary</div>
3<div class="p-3 mb-2 bg-gradient-success text-white">.bg-gradient-success</div>
4<div class="p-3 mb-2 bg-gradient-danger text-white">.bg-gradient-danger</div>
5<div class="p-3 mb-2 bg-gradient-warning text-dark">.bg-gradient-warning</div>
6<div class="p-3 mb-2 bg-gradient-info text-white">.bg-gradient-info</div>
7<div class="p-3 mb-2 bg-gradient-light text-dark">.bg-gradient-light</div>
8<div class="p-3 mb-2 bg-gradient-dark text-white">.bg-gradient-dark</div>
queries leading to this page
text color boot strap classall colors in bootstrapchange bootstrap primary colorbootstrap error texttext colour for info textcolor red bootstrap classcolor green bootstraptext info bootstrapbootstrap background color w3schoolstext font color bootstrapbootstrap hot change color for labeltext color in bootstrapbackground primary bootstraplight background colour bootstraphow to color text with classes in bootstrap 4text light bootstraptext primary bootstrapbg white bootstrapbootstrap change colorfont color white bootstrap classbootstrap coloor for black colorcolor fondo div bootstrapred text bootstrap 4bootstrap text errorboostrap text colorbootstrap input color backgroundhow to set background bootstrapbootstrap 4 text colorcolor in bootstrap 4bootstrap color class namebg danger bootstrap 4bootstrap 4 text color cssbootstrap font color and sizebs4 txt white clasbootstrap bk colorpurple color in bootstrapdark colors bootstrapbootstrap class background colorbackground class bootstrapbootstrap change text color in divbootstrap red color textbootstrap blue text color classbootstrap 4 change background colorcolors in bootstrap 5bootstrap 4 color textbootstrap font colorbootstrap green colorall bootstrap colorsbackground color white bootstrapbg warning bootstrapbootstrap text info color codebootstrap classname background color ashhow to make text white in bootstrapbg gray bootstraptext green bootstrapbackground none bootstrap 4bootstrap color for texthow to change background color bootstraptext info class bootstrapfont red bootstrapbootstrap 5 text whitebootstrap class text dangerbootstrap background primarybootstrap bg primary styledanger text bootstraptext muted classbootstrap color red classdanger text in bootstraptext color class bootstrapbootstrap color divbootstrap 4 background darkbootstrap 4 background colorslist background color bootstrapbootstrap green color classbootstrap font colorsbootstrap class for black colortext black bootstrapfont color white css bootstrapcustom text color bootstrapchange color of text in bootstrapbootstrap body background color classcolor white in boostrapbootstrap font color red classtext class dangerbootstrap bg lightbootstrap primary background colorbootstrap 5 container background colorw3 schools bootstrap background colorbootstrap bg colorbootstrap text lightbootstrap status colorbackground color in bootstrapbootstrap 5 color textbootstrap class text primaryhow to color text in bootstrapbootstrap color tituolobootrsap text colortext black bootstrapcolors in bootstraptext color boostrap4bootstrap 3 3 7 colorsdanger class in bootstrap 4gray background bootstrapchange text color bootstraptext white bootstrap 3heading bg color in bootstraptext mutedbootstrap colors greenbootstrap white fontcolor de fuente class bootstrapbootstrap font colorbootstrap 4 text whitebootstrap red colourbootsrtap text whitebootstrap font redfont color white bootstrapform row dark background bootstrapbg white bootstraphow to make link color white in bootstrapbootsrap text whitebootstrap white colorbootstrap redbootsrap class for changing text to redgreen font color in bootstrapclass color bootstrapdefault text color bootstrapbootstrap background classbootstrap 5 color whitebootstrap grey textboostrap red texttexst color in bootstraplight text bootstrapcolor name in bootstraptext gray bootstrapbootstrap light grey textbootstrap 3 color text whitebootstrap 5 colorbackground color primary bootstrapfont black bootstrapbootstrap change font colorbootstrap gray bgcolores bootstrapcolor font white bootstrapbootstrap text color blackbootstrap bg colorsbackground style in bootstrapbootstrap 5 bg colorbootstrap div background colorbootstrap text color changebackground color white in bootstrap 4bootrap text colorbootstrap color info sucessbootstrap 4 text successfont color bootstrapset text color to white bootstraobootstrap 4 2 colorbootstrap bg darkbackground color mdbootstrapinfo bg color code in bootstrapbootstrap text color whitebootstrap inpu text colorbootstrap 4 color 3a green 3btext grey bootstrapbootstrap yellow backgroundhow to set text color in bootstrap 4background color bootstrap 4bootstrap white textbootstrap class color textgrey color class in bootstraptext color in mdbootstraptext gray bootstrapboot strap text colorboostrap text whitewhite color bootstrap 5 classbacground color bootstrap 4bootstrap colorbootstrap span color redcolor red bootstrapbootstrap bg successbootstrap background dark classbootstrap 5 font colorbackground color bootstrap 5dark text bootstrapbg dark bootstrap 3 4bootstrap text color classesgetbootstrap colorsbootstrap 4 colorbootstrap success text colorbackground chagne in bootstrapbootstrap coler textblack color in bootstrapbootstrap colors textbootstrap purple color classbootstrap text graycolor danger bootstrap 4bg color bootstrap 4text background in bootstrapcolor white in bootstrapbg gradient color bootstrap 4bootstrap 5 color classbootsrap text colorbootstrap gradient color grey text bootstrapbackground color bootstpra 5background utility classes in bootstrapbootstrap text colors classesgrey text in bootstraph1 color bootstrap 4bootstrap 4 text colorsbootstrap color cssbootstrapcolorbootstrap class for adding color in formbootstrap color primaryset backgorund color boottrapbackground white bootsrapbootstrap text color dangerbootstrap 5 text backgroundbg bootstrapbottstrap bg classbootstrap background colorbootstrap 4 bg colorbootstrap bhow to give bootstrap colorbackground color bootstrap 3bg gradient bootstrap 4bootstrap 3 color a hrefcolor white class bootstrap 4bootstrap background color whitebootstrap blue texthow to change text color to white in bootstrapbootstrap success colorbootstrap text greenboostrap i class colorbootstrap color sucessbackground black bootstrapbootstrap p colorbootstrap class for font colortext success bootstrapbootstrap 4 text danger colorparagraph background color bootstrapbg info bootstraptext colors bootstrapbootstrap set font colorbootstrap font color whitebootstrap small text grayfont color change sm bootstrapbootstrap texte colorhow to change color using bootstrapbootstrap color classescss bootstrap red colorwhite color text in bootstrapbootstrap class name for text colordefault background bootstrapbootstrap color letrabootstrap coloursfont color using bootstrap classcode to change background color in bootstraptext primary bootstrapchange color of font in bootstraprow background color in bootstrapbg light bootstrapbootstrap warning text classtext color boostrap 4bootstrap text successbg color bootstrapbootstrap 5 bg variantchange background color row bootstrapbootstrap red color classboostrap color whitebootstrap danger class colorstyle text color bootstrapvboottrap text colorbg colors bootstrapbackground color with bootstrapchange color in bootstrapbg in bootstrap 3bootstrap background colorebootstrap 4 text color redbootstrap 4 bg defaulthow to chenage color text bootstapt 5ccolor text black bootstraptext collor bootstraptext color bootstrap 3cootstrap text colorbootstrap 4 font color csstext backgroud bootstrapadd background color to div bootstrapbootstrap h1 white text black backgroundbootstrap color fontsmake text dark in bootstrapcolor bootstrap 4bootstrap for text colorbootstrap 4 color classbootstrap text color variablebootstrap light blue colorbootstrap 4 text color whitebootstarp backgroundclass background color bootstrapsuccess bootstrap colorhow to change background color of text in bootstrapred color class in bootstrap 4bootstrap color setclass bootstrap colorbootstrap danger colorcolor 3awhite bootstrap classtext white bootstrap 3bootstrap text success and textinformation color in text in bootstrapbootstrap div colorsection background color bootstrapcool backgrounds in bootstrapdanger color bootstrapbootstrap text colorsgreen color bootstrapbg primary bootstrapboostrap set color white texdtclass text bootstrap colorfont colors bootstrapbootstrap dark colorbootstrapo red field classbootstrap class color whitecolores bootstrap 4bootstrap bg light bluecolor primary bootstrapbootstrap enforce primary colorcolor white bootstrap pclass text color bootstrapbootstrap font color primarytext color bootstrap5bootstrap 4 6 text colorbootstrap 4 5 font colorbootstrap colors meaningtext color in bootstrap 5color bootstrapred color text class in bootstrapdiv color bootstrapbootstrap text highlight colorbootstaps colorswhite text bootstrapbootstrap primary color and other colorbootstrap text color primaryclass color in boostrapbootstrap color to textcolor class bootstraptext white bootstrap background meroonbgcolor in bootstrapbootstrap 4 background color graywhite font in bootstrap classchange the text color in bootstrapi color bootstrapred color in bootstrap textbootstrap 3 background color classbootstrap class for black backgroundbg bootstrapbackground boostrapbootstrap bg color dangerbootstrap class for grey colortext color bootstrap 4bootstrap dark green bootstrap 4 color classesbootstrap class danger texthow to give text color in bootstrapcolor text bootstrapbootstrap 4 bg greybootstrap class blackbootstrap bg darkbootstrap text red colorbootdtrp text greenbootstrap background dangersuccess background class in bootstrap 4text color in bootstrapbootstarp text color bootstrap css class background colorsample bg color bootstrapbootstrap bg primarybootstrap row background colorbootstrap css font colorbg white in mdbootstrapwarning color bootstrapmuted text bootstraptext color in bootsrapbootsrap backgroundhow to make color dark in bootstrapboostrap color textbootstrap backgorundbootstrap 4 color white classbootstrap class green color 3ci class grenn color bootstrapbootstrap backgroundfont color black bootstraptext color in bootstrap w3schoolsbootstrap classname backgound colorbootstrap black textcolor black bootstrap classbootstrap danger color textwhite color in bootstrapbootstrap background color classtext color css in bootstrapbg bootstrap 4white font bootstrap classbootstrap 3 background colorbootstrap danger color on div textblack background in bootstraptext color bootstrap classtext color gray bootstrapall link color class in bootstrapbootstrap muted textbootstrap red texttext color html bootstrap whitetetxt color bootstrapblack color bootstrapbootsrtap color red classbootstrap text backgroundbootstrap text dangerfont color in bootstrapbootstrap text blackbootstrap 3 bg colorstext color bootstrapbootstrap 4 bgboostrap class for blue colorebootstrap color texthow to put style background in bootstrap4bootstrap font color classesbackground bootstrapbootstrap text color bluesecondary text bootstrapbootstrap 4 text color classesbootstrap txt warningset text backgroung color bootstrap 4dark background bootstrapbootstrap text redtext color change bootstrapbootstrap use background dangerbootstrap text redbootsrap info textbootstrap backgroun dcolorbootstrap text color graytext danger bootstrapcolor warning bootstrapbootstrap txt colorhow to change font color bootstrapbootstrap 4 muted textbootstrap class to make p whitehow to text color primary bootstrapbootstrap text colorbootstrap text warningcolor of text in bootstrapbootstrap col background colorbootstrap texxt colorbootstrap white color classboostrtap colorsbootstrap gradientbootstrap bg bootstrap 4 color dangerheader text color bootstrapbootstrap 4 0 colorbootstrap use primary colorchange textcolor bootstrap 4bootstrap use dark backgroundbootstrap white text color classbootstrap red colorbotstrap text colortext muted bootstrap 5bootstrap small grey textbootstrap red text classbootstrap danger color codehow to set background colors with bootstrap 4text warningbootstrap 4 text small mutedtext muted class in bootstrapbootstrap text mutedbootstrap text whitebootstrap background colortext danger classbootstrap colorfule paragraph classesbootstrap colors addingtext color white bootstrapbootstrap bg colour schemetext color boostrapbootstrap text link stylebootstrap 3 colorshow to change bootstrap colorsdark grey bootstraphow to set background color bootstrapboottrap color redbootstrap 4 text color primarybootstrap bg dangerbootstrap text dangercolor light bootstraphow to change text color bootstrapbootstrap danger backgroundbootstrap primary colorclass base background color bootstrapwarning bootstrap colorcolor text class bootstrap 3background color text bootstrapsuccess text bootstrapbootstrap greenadd red background color bootstrap 4 classbootstrap a blackbootstrap 5 text color tedtext white bootstrapbackground dark bootstrapbootstrap css color dangertext light bootstrapbootstrap text classes colortext color in bootstrap 5 1bootstrap light texttext white bootstrapbackground gray bootstrapcolors boostrapdanger background colorbg dark bootstrapcolor type bootstraptext successchange text color with bootstraph5 bootstrap text colorbootstrap white background containerfont text white class bootstraptext color black bootstraptext color bootstrapdiv bootstrap colorbootstrap black backgroundh1 bootstrap colorbootstrap colors csstext color black in bootstrapbootstrap text color examplebootstrap 4 text background colorwhite text on dark background bootstrapbootstrap 3 background whitebootstrap warning colorbootstrap css for white and blackgreen text bootstrap 5how to change the background color on a web page using bootstrapbootstrap text warningbg white bootstrap 4text color class in bootstrapbg dark bootstrapbootstrap 5 wite text on dark backgroundbootstrap text primaryboostrap text color 5cbootsrap change text clortext colorbootstrapbootstrap primary textbootstrap h1 background colortext danger bootstrap 4bootstrap suscces colorbootstrap graytext danger css classmuted color bootstrapred color text bootstraptext warning bootstrapbg color in bootstrap red font color in bootstrapred color bootstraptext muted bootstraptext muted property in bootstapchange background color of container bootstrapbootstrap 4 text primaryfont color bootstrap 5bootstrap header text colorbootstrap color clasbootstrap 4 bg colorbootstrap 5 text colorbootstrap class color bluebootstrap colors blackhow to change color of text in bootstrapcolors bootstrapfont color bootstrap classtext successclass color red bootstrapheader bg color bootstrapbootstrap link black colorbootstrap gradient backgroundbootstrap custom colorsboostrap 4 text colorbootstrap dark inputbootstrap primary color codecss bootstrap background color for all the pagebootstrap 5 text color classesbootstrap backgroun dbackground in bootstrapprimary color in bootstrapbootstrap class for gradient colorbootstrap style linksbootstrap background bg examplesdiv bootstrap colors backgroundbootstrap text colorbackground gradient color bootstrapbootstrap bg whitebootstrap 3 text color whitehow to change font color in bootstrapbootstrap text background colorchange font color bootstrapbg b black bootstrapadding colour bootstrapblue text color class name in bootstrapcolor text bootstrap5text error bootstrapblack text bootstrapfont color in bootstrap 4bootstrap 3 text colorbootstrap css background blackbootstrap add background color class to columntext dark bootstrapbackground color bootstrap 4 classhow to give text color in bootstrapbootstrap part of string colorbootstrap backgrounhow to change color in bootstrapbootstrap classname to make background color mattblackbootstrap color blackbootstrap font color classtext class in boot strap infobootstrap class text colorcolor success classbootstrap text color secondarybootrpa color whitetext black bootstrap classcolor a bootstrapbootstrap options background colorbootstrap color namediv background bootstrap 4background white bootstrap classbootstrap classes for colorsbootstrap text in redbootstrap background color white classbootstrap 4 text color white classclass text primary grey font bootstrapbootstrap background color for divcolor white bootstraphow to set text color in bootstrapbootstrap bg light greytext red bootstrap 4background color class in bootstrap 5bootstrap color shadesbgcolor bootstrap 4black text in bootstrap 4bgcolor class in bstext dark bootstrapbackground in bootstrap 4boot strap class color redbg class bootstraptext colour green bootstrapcolor texto bootstrapcolors bootstrap 3text color classes in bootstapcolor white class bootstrap text class primary bootstrapbg black bootstrapbackground color bootstrap classpage background color bootstrapbootstrap green textbackground bootstrap divbootstrap font color graybootstrap 4 white color classboostsrap colorsbootstrap colorstext color css bootstrapbackground color to only text in bootstrapbg primary bootstrap propertychange color to warning bootstraptext color bootstrpagrey color in bootstrapbootstrap mutedwarning text bootstrap 4test color bootstrap classtext danger in bootstrapfont color bootstrapbootstrap 5 background colorbackground colors bootstrapwhite color in bootstrap 5how to change the text color of an a tag in bootstraobootstrap dark texthow change text color in bootstrapclass for text white in bootstrapclasse bootstrap colorbootstrap 4 color warningtext green bootstrapbootstrap 5 text greencolor names bootstrapcolor classesz in bootstraptext blue in bootstrapbootstrap css dangerbootstrap h1 text colorbootstrap 4 white textdiv background boostrap 4bootstrap blackbootstrap letter colorcustom bg color in bootstrapbootstrap rainbow textbootstrap font colortext color bootstchange background in bootstrapboostraap 4 text colorbootstrap set background colourtext color bootstrap classbg in bootstraplight text in bootstrapbackground color bootstrapbootstrap text colourhow to give color to text in bootstrapbootstrap backgrouyng classesspan text color bootstrapdanger in bootstrap texttext white in bootstrapboootstrap 4 colorsbootstrap color for greenbootstrap color utilitybackground color in bootstrap 4bootstrap color yllowon bootstrap background gradienttext red bootstrapbootstrap background class color darkbootstrap a tag no colorbootstrap background colorsbootstrap 5 colorsbg color bootstraphow to change text color in bootstrapbootstrap text blackwhite in bootstrapbg white bootsraphow to assign primary color to p tag in bootstrapbs4 colorsbootstrap colortsbootstrap text successwhite background bootstrapprimary text in bootstrapclass text color bootstrapbootstrap colors classhow to give background color in bootstrapbg dark classtext warning bootstrapclass for color in bootstraptext red bootboostrap bg gradient examplebootstrap text bgboostrap redtext emitted bootstrap text colorsbootstrap 3 7 color utilitiesput red color with bootstrapbootstrap success text classwhite text class bootstrap 4bootstrap text color classbackground color of text in bootstrapgreen text bootstrapfrom text color bootstrapbootstrap text gray 600muted textcolor small bootstrapbootstrap 5 bgcolorbotstrap colorscolor with bootstrapbootstrap div background color classblue color bootstrap classbootstap text colorbootstrap 5 text colordifferent classses of bootstrap colorsbg grey bootstrap 3bootstrap secondary colorboodstrap colorstext info bootstrapbootstrap class white textbootstrap font color redclass bg bootstrapbootstrap4 colorscolor black in bootstrapbootcamp text colour dangertext color in bootstrap 4boot strap font colorfont white bootstrapcolor in bootstrapbg dark bootstrap 3bootstrap set color of textbootstrap color textored color class in bootstrapbootstrap change text colorsuccess color bootstrapbootstrap gradiant colorbootstrap text bold and colorbackground for html bootstrapcolor tag bootstraptext color in bootstrap4text white in bootstrapbootstrap text color propertiesbootstrap class backgroundcolor code in bootstrapbootstrap grey background classinfo color bootstrapbootstrap text color gray blackblack bg bootstraptext size and color bootstrapp fonts colors in bootstrapbootstrap how to change a colorbackground color black bootstraptext color class in bootstrap for redbootstrap 4 color none classbootstyrap text colorbootstrap 5 bg colorswarning text bootstrapbootstrap 5 text color black classbootstrap 5 white color classbackground color classs bootschange backgrouncolor using the bootstrapredcolor bootstrap class nametext style color bootstrap 5change text color bootstrap 5red text bootstrapchange color to my texte in bootstraptext color red bootstrapbootstrap bg whiote classbootstrap background whitebootstrap bg colors redboostrap background colorbootstrap bgbootstrap 4 colorsbootstrap color whitecouleur text bootstrapbootstrap color greenboostrape colorstext muted bootstrapbootstrap color successbnt color bootstrapchange background color bootstrapcolor class in bootstrapcolor boostrap classtext color change in bootstrapbootstrap text mutedbootstrap text color lightbackground white in bootstrapbootstrap 4 background colortext color in bootstrap 3bg gradient in bootstrap 5color blackk class bootstrapa color bootstrappage should consist of an html paragraph element with bootstrap class names bg warning and text darkbootstrao color classbootstrap 4 text color blackbootstrap inline background colorbootstrap class color backgroundcolor background bootstrapchange font color in bootstrapbootstrap color change classbootstrap classname colorbootstarp text darkbootstrap background colorsbootstrap text greymuted text colortext color class bootstrap 4bootstrap colour classescolor text class bootstraptext colors change bootstrapbootstrap colors backgroundtext success in bootstrapbootstrap color in headingboostrap background redbg color in bootstrap 4text text dangerstyle red text bootstrapbootstrap bg classesblack class in bootstrapchange color bootstrapset background color bootstrapmuted bootstrapboostrap colorsred text in bootstrapbootstrap white text classchange text color getbootstrapfooter light color bootstrapbg green bootstrapchange background color to green using bootstrapboostrap text colurbootstrap textcolorchange background of a div ussing bootstraptext danger bootstrapbootstrap best background colorbootstrap 4 class successtext secondary bootstraptext color primary in bootstrapwhite color font class name in bootstrapbootstrap 4 p red colorhow to add colour using bootstrapbackgrouond color bootstraptext inverse color bootstrapbootstrap color text classbootrap class name to get white colortext color bootstrap 4bootstrap red color class defaultbootstsrap background classclass color in bootstraphow to color background by bootstraphow to give color white to the text classname in bootstrap 4bootstrap 4 set background colorbs4 background colorschange text color in bootstrapbootstrap wihte colorbootstrap text whitebootstrap text color redtxt color white bootstrapbootrstap text colorbg red bootstraptext dangertext success bootstrapbackground class in bootstrapbootstrap background variantsbg bootstrap 5bootstrap info textbootstrap div backgroundbootstrap 4 red color texttext muted in bootstrapbootstrap text danger successbootstrap danger primarymake bootstrap text blackhow to red text bootsraptext dark bootstrap 4 classgreen color in bootstrap 4 5cbootstrap warning textbootstrap 4 text blackbootstap text collorbootstrap color redbootstrap color fontcolor fondo bootstrapbootstrap text color and stylebackground color white class bootstrapboostrap com colortext bootstrap colorcolors in bootstrap4bootstrap gray textbootstrap set text colorbackground white bootstrap 4 classbootstrap color mutedbootstrap css colorbootstrap background color divclass danger bootstrap 4background color class for bootstrapbackground gradient types in bootstrapbg class in bootstrapbackground color for text in bootstrapbackgrounc colors boostrap 4bootstrap red text colorbootstriap text colorbootstrap text success colorbootstrap a design and colorgreen text success bootstrapbootstrap class red textbootstrap give div dark backgroundbg success bootstrapbootstrap how to change bg color in bootstrap 4how to color th eusing bootstraptext color class in bootstrap 4bootstrap class for text colorbootstrap color lightbootstrap text highlightbootstrap color dangerbootstrat set red color textbackground color class in bootstrapbackground color bootstrap 5text danger class bootstrapsuccess color in bootstrapbootstram colore classbootstrap hyperlink text colorcolumn background color bootstrapbootsratp text colorchanging text color in botstrapset body background color with bootstrapadd background color in bootstrap using classtext red bootstrap 5background mutent bootstrapcolor text in bootstrapcustom text color in bootstrapbgcolor in bootstrap 4bg md light in bootstrapbootstrap 4 class background colortext red bootstrapbootstrap color classbootstrap danger texttextcolor bootstrapbootstrap 4 gradientboostrap text blackbootstrap 4 fill background color classesbootstrap text font colorbootstrap text light greyfont color class in bootstraplight background in bootstraptext color bootstrap 5bootstrap 4 danger colorchange bootstrap text colorbootstrap background