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