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