html,
body {
    height: 100%;
    background-color: #00bcd4;
}

html {
    display: table;
    margin: auto;
}

body {
    display: table-cell;
    vertical-align: middle;
}

.login-form {
    width: 280px;
}

.login-text {
    margin-top: -6px;
    margin-left: -6px !important;
}

.margin {
    margin: 0 !important;
}