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