Element block pseudo-class :active generated with box-sizing content-box float none border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) background width 160px padding 100px cursor default display inline-block transform border 0px rgba(0,0,0,1) solid margin 0px line-height 1 height auto font-size 16px z-index auto position static font-weight normal overflow hidden transition