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