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