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