.free-lesson-signup__popup{background:#fff;border:none;border-radius:8px;max-width:min(90%,600px);padding:30px 20px;text-align:center;width:100%;form{display:flex;flex-direction:column;gap:1rem}&::backdrop{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#00000088}}