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