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