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