Element block pseudo-class :active generated with background transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none padding 20px position static cursor default font-weight normal font-size 16px overflow hidden z-index auto margin 0px height auto border 0px rgba(0,0,0,1) solid width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform border-radius display block line-height 1 box-sizing content-box