Element block pseudo-element :before generated with z-index auto padding 0px width auto margin 0px transform transition font-weight normal opacity 1 border 0px rgba(0,0,0,1) solid float none outline none background box-sizing content-box cursor default line-height normal height auto display block font-size 16px overflow visible border-radius text-shadow 2px 2px 2px rgba(0,0,0,0.5) box-shadow position static