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