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