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