Element block pseudo-element :before generated with box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none height auto z-index auto overflow hidden padding auto cursor default box-sizing content-box width 100% line-height 1 font-size 16px opacity 0.72 transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block position fixed transform border 0px rgba(0,0,0,1) solid background font-weight normal border-radius margin auto