boxicons/svg/regular/bx-message-square-x.svg

<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M16 2H8C4.691 2 2 4.691 2 8v13a1 1 0 0 0 1 1h13c3.309 0 6-2.691 6-6V8c0-3.309-2.691-6-6-6zm4 14c0 2.206-1.794 4-4 4H4V8c0-2.206 1.794-4 4-4h8c2.206 0 4 1.794 4 4v8z"/><path d="M15.292 7.295 12 10.587 8.708 7.295 7.294 8.709l3.292 3.292-3.292 3.292 1.414 1.414L12 13.415l3.292 3.292 1.414-1.414-3.292-3.292 3.292-3.292z"/></svg>