Element block pseudo-element :before generated with float none overflow hidden margin auto opacity 0.77 box-sizing content-box width 160px height auto cursor default font-weight normal padding 10px display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) background position fixed transform z-index auto line-height 1 transition border 2px #a4a4a4 solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius font-size 18px