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