* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    padding: 0;
    margin: 0;
    font-family: "Open Sans", Arial, sans-serif;
}

.isk-notfound-page {
    position: relative;
    height: 100vh;
}

.isk-notfound-page .isk-notfound {
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.isk-notfound {
    max-width: 520px;
    width: 100%;
    line-height: 1.4;
}

.isk-notfound .isk-notfound-error {
    position: absolute;
    left: 0;
    top: 0;
    height: 150px;
    width: 200px;
    z-index: -1;
}

.isk-notfound .isk-notfound-error h1 {
    font-size: 238px;
    font-weight: 700;
    margin: 0px;
    color: #e3e3e3;
    text-transform: uppercase;
    letter-spacing: 7px;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.isk-notfound h2 {
    font-size: 28px;
    font-weight: 400;
    text-transform: uppercase;
    color: #222;
    margin-top: 12px;
    margin-bottom: 15px;
}


.isk-notfound .btn {
    width: 200px;
    height: 40px;
    text-align: center;
    border: none;
    background: #57a3f8;
    cursor: pointer;
    padding: 0;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    margin:10px 5px;
    text-decoration: none;
    padding:8px 12px;
}


@media only screen and (max-width: 767px) {
    .isk-notfound .isk-notfound-error {
        height: 110px;
        line-height: 110px;
    }

    .isk-notfound .isk-notfound-error h1 {
        font-size: 170px;
    }

    .isk-notfound h2 {
        font-size: 24px;
    }
}

@media only screen and (max-width: 480px) {
    .isk-notfound .isk-notfound-error {
        left: 40px;
    }

    .isk-notfound .isk-notfound-error h1 {
        font-size: 120px;
    }

    .isk-notfound h2 {
        font-size: 18px;
    }
}