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