Element block pseudo-class :active generated with padding 20px border 0px rgba(0,0,0,1) solid font-size 16px display block position static cursor default font-weight normal overflow hidden background border-radius transition width 160px box-sizing content-box height auto z-index auto line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform float none box-shadow 3px 3px 4px rgba(0,0,0,0.5) margin 0px