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