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