html, body {
    height: 100%;
}
.login-container {
    display: table;
    width: 90%;
    max-width: 300px;
    min-width: 180px;
    height: 80%;
    margin: auto;
}
.login-form {
    display: table-cell;
    padding: 30px 10px 10px;
    vertical-align: middle;
}
.login-logo {
    height: 40px;
    margin-bottom: 50px;
    background: url(images/mendix-logo.png) no-repeat center;
}
.login-message {
    display: none;
}
.login-form label {
    font-weight: bold;
}
.login-form input {
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    width: 100%;
    height: 30px;
}