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