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