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