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