1div {
2 box-sizing: border-box;
3 -moz-box-sizing: border-box;
4 -webkit-box-sizing: border-box;
5 width: 100px;
6 height: 100px;
7 border: 20px solid #f00;
8 background: #00f;
9 margin: 10px;
10}
11
12div + div {
13 border: 10px solid red;
14}
1div{
2 -webkit-box-shadow:inset 0px 0px 0px 10px #f00;
3 -moz-box-shadow:inset 0px 0px 0px 10px #f00;
4 box-shadow:inset 0px 0px 0px 10px #f00;
5}
6