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