#ErrorPage {
    min-height: 100vh;
    position: relative;
}

    #ErrorPage .ErrorContent {
        position: absolute;
        width: 100%;
        height: 215px;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
    }

    #ErrorPage .ErrorIcon {
        font-size: 70px;
        color: #b1b1b1;
    }
    #ErrorPage .btn {
        width: 110px;
        margin-left: auto;
        margin-right: auto;
    }