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