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