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