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