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