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