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