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