#id_username, #id_password{
    width:100%;
}
body{
    background-color: #f8f8f8;
}

.container{
    width: 28em;
    min-width: 300px;
    margin: 100px auto;
    background-color: #fff;
    border-radius: 4px;
    padding: 0px;
}

#title{
    border-top-right-radius: 4px;
    border-top-left-radius: 4px;
    height: 15px;
    background-color: #183e6f;
    color: #fff;
    height: auto;
    padding: 9px 11px;
    justify-content: center;
    margin: 0px;
    display: flex;
}

form{
    padding: 20px 20px 20px;
}

#login{
    display: flex;
    justify-content: center;
}