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