Element block pseudo-element :before generated with overflow visible transition border-radius background float none cursor default width auto height auto font-weight normal opacity 1 transform font-size 16px border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 25px margin 0px line-height 1 outline none text-shadow box-sizing content-box display block z-index auto position static