.logonHtml,
.logonBody {
    height: 100%;
}

.logonBody {
    display: flex;
    align-items: center;
    background-color: #f5f5f5;
    padding-top: 100px;
    padding-bottom: 100px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(../img/pexels-tima-miroshnichenko-5380792.jpg);
}

.form-signin {
    width: 100%;
    padding: 15px;
    margin: auto;
    max-width: 330px;
    background-color: #f5f5f5;
}

@media only screen and (min-width: 768px) {
    .form-signin {
        max-width: 522px;
    }
}