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