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