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