Element block pseudo-class :active generated with box-sizing content-box position absolute font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none border-radius transition transform cursor default width auto padding 5px box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px height auto font-weight normal z-index auto display block background border 0px rgba(0,0,0,1) solid overflow hidden line-height 1