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