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