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