header {
    width: 100%;
    height: 4.1em;
    margin: 0 auto;
    padding: 0;
    position: relative;
    @include gradient ($from-color, $to-color);
    
    .mobile-logo {
        width: 8em;
        position: absolute;
        left: .5em;
        top: .5em;
    }
    .mobile-back {
        font-size: .75em;
        position: absolute;
        top: .75em;
        right: .75em;
        a {
            color: #eee;
            text-decoration: none;
        }
    }
}

/* This is used to center the logo for full width */

    .center {
        display: none;
    }

/* Medium devices (desktops, 600px and up) */
@media (min-width: 600px) and (max-width: 991px) {
    .mobile-logo {
        display: block;   
    }
    .logo-container {
        width: 100%;
        display: none;
        margin: 0 auto;
        padding: 0;
        
        i {
            float: right;    
        }
        .center {
            width: 200px;
            float: none;
            position: absolute;
            left: 60%;
            top: 0; 
            margin-left: -150px;
            margin-top: 8px;
            display: block
        }
    }
    .mobile-back {
        display: block;   
    }
}

/* Large devices (large desktops, 1200px and up) */
@media (min-width: 992px) {
.mobile-logo {
        display: none;   
    }
    .logo-container {
        width: 100%;
        display: block;
        margin: 0 auto;
        padding: 0;
        
        i {
            float: right;    
        }
        .center {
            width: 200px;
            float: none;
            position: absolute;
            left: 50%;
            top: 0; 
            margin-left: -150px;
            margin-top: 8px;
            display: block
        }
    }
    .mobile-back {
        display: none;   
    }    
}