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