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