* {
    padding: 0;
    margin: 0;
    box-sizing: border-box
}

body {
    background: #3099d0;
    color: #FFF
}

.wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0px auto;
    padding: 1em
}

    .wrapper h1 {
        font-size: 10em;
        display: block;
        float: left;
        width: 50%;
        text-align: right;
        margin: 0 30px 15px 0;
        font-family: sans-serif
    }

    .wrapper h2 {
        overflow: hidden;
        font-size: 2em;
        padding-top: 2em
    }

    .wrapper .error {
        clear: both;
        text-align: center
    }

        .wrapper .error h3 {
            margin-bottom: 1em
        }

            .wrapper .error h3 small {
                display: block
            }

.btn_grp {
    clear: both;
    margin: 2em 0;
    text-align: center
}

    .btn_grp a {
        display: inline-block;
        border-radius: 5px;
        padding: .5em 1.3em;
        margin: 0 1em 1em;
        min-width: 10em;
        color: #FFF;
        text-align: center;
        border: 1px solid #FFF;
        text-decoration: none;
        transition: .3s ease-out
    }

        .btn_grp a:hover, .btn_grp a:focus {
            background: rgba(0,0,0,.2);
            box-shadow: none;
            outline: none
        }

@media screen and (max-width:767px) {
    .wrapper h1 {
        float: none;
        margin: 10px 0 5px;
        line-height: 1;
        text-align: center;
        width: 100%;
        font-size: 8em
    }

    .wrapper h2 {
        clear: both;
        text-align: center;
        margin: 0;
        padding: 0
    }

    .wrapper .error {
        margin-top: 1em
    }
}