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