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