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