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