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