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