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