.app{
    background: no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.app_login{
    background-color: #f5f5f5;
}

.footer{
    padding: 1rem;
    text-align: left;
    color: rgba(255,255,255,0.5);
    font-size: .8rem;
}