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