.not_found {
    margin: 30px 0;
    min-height: 300px;
}

.not_found h3 {
    font-family: "Poppins", sans-serif;
    font-size: 64px;
}

@media screen and (max-width: 1200px) {
    .not_found h3 {
        font-size: 32px;
    }
}