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