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