html, body {
    height: 100%;
    /* 
        TODO: add a background color
    */
}

.centered {
    text-align: center;
}

.container {
    height: 100%;
    display: flex;
}
.container > .row {
    display: flex;
}

.form-container {
    width: 100%;
    display: flex;
    align-items: center;
}

.side-menu {
    background-color: aqua;
}

.error {
    color: #ba2121; /* Inherited from MaterializeCSS */
}