body {
    background-image: url("../img/main/background.jpg");
    background-size: 100% 100%;
    background-position: center center;
    background-attachment: fixed;
}
.img-log-login { max-width: 175px; }

.extSubmit {
    font-size: 12px;
    font-weight: bold;
    padding: 10px;
    background: #ac0433;
    border-radius: 5px;
    box-sizing: border-box;
    margin-bottom: 20px;
    color: #fff;
}
.extSubmit:hover { color: #000; transition: all 0.2s ease; }

.errorLogin{ font-weight: bold; font-size: 2em; }