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