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