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