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