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