hide element using css tricks

1.hide {
2   position: absolute !important;
3   top: -9999px !important;
4   left: -9999px !important;
5}
6
7.remember-this-will-NOT-be-read {
8   display: none !important;
9}
10
11.visuallyhidden { 
12  position: absolute; 
13  overflow: hidden; 
14  clip: rect(0 0 0 0); 
15  height: 1px; width: 1px; 
16  margin: -1px; padding: 0; border: 0; 
17}
18
19reference : 
20https://css-tricks.com/places-its-tempting-to-use-display-none-but-dont/