#loginpanel {
    width: 500px;
    max-width: calc(100% - 20px);
    margin: 0 auto;
}
body{
    background-image: url("../../login-background.png");
    background-size: cover;
}
#bottom-login-image{
    margin-top: 10px;
    border: 1px solid black;
}
#login-container{
    margin-top: calc(40vh - 255px);
}