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