body{

    background:#f4f6f9;

}

.navbar{

    font-weight:bold;

}

.card{

    border-radius:10px;

}

.card-header{

    background:#0d6efd;

    color:white;

    font-weight:bold;

}

.btn{

    border-radius:6px;

}

.alert{

    margin-top:10px;

}