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