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