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