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