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