.not-found-page {
    height: 100%;
    display: flex;
    justify-content: end;
    align-items: center;
    gap: 40px;
    font-family: 'Roboto','Microsoft JhengHei', 'Arial', 'Helvetica', 'sans-serif';
}
.content-left {
    width: 52%;
}
.content-right {
    width: 40%;
    color: #8888ba;
}
.content-right h1 {
    margin-bottom: 40px;
    font-size: 5em;
}
@media (max-width: 1440px) {
    .content-right h1 {
        font-size: 4em;
    }
}
.content-right a {
    color: #fff;
    text-decoration: none;
    background-color: #8888ba;
    border: 1px solid #8888ba;
    border-radius: 100px;
    padding: 10px 15px;
}
.btn-back {
    padding-left: 6px;
}
.not-found-img {
    width: 100%;
}