.block {
    max-width: 1000px;
    margin-top: 100px;
}
.page-404-title {
    margin: 0 0 13px;
    font: 700 72px/100% Arial, sans-serif;
    color: #CC3130;
}

.page-404-descr {
    margin: 0 0 23px;
    font: 700 36px/100% Arial, sans-serif;
    color: #53340D;
}

.page-404-recommend {
    font: 18px/170% Arial, sans-serif;
    color: #a3a3a3;
}

.p-404-recommend-link {
    color: #CC3130;
    text-decoration: none;
}

body {
    background: #E8EAE8;
    height: 100vh;
}

.error-block {
    padding-left: 68px;
}

.footer {
    background-size: cover;
    width: 100%;
}

@media (max-width: 970px) {
    .block img {
        width: 100px;
        height: 100px !important;
    }

    .page-404-title {
        margin: 0 0 5px;
        font: 700 45px/100% Arial, sans-serif;
    }

    .page-404-descr {
        margin: 0 0 5px;
        font: 700 20px/100% Arial, sans-serif;
    }

    .page-404-recommend {
        font: 14px/170% Arial, sans-serif;
    }

    .error-block {
        padding-left: 25px;
    }
}

@media (max-width: 690px) {
    .block {
        text-align: center;
        margin-top: 25px;
    }

    .block img {
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 10px;
    }

    .error-block {
        padding: 0;
        width: 100%;
    }
}

@media (max-width: 400px) {
    .block img {
        width: 70px;
        height: 70px !important;
    }

    .page-404-title {
        font: 700 35px/100% Arial, sans-serif;
    }

    .page-404-descr {
        font: 700 16px/100% Arial, sans-serif;
    }

    .page-404-recommend {
        font: 13px/170% Arial, sans-serif;
    }

}