body{
    background:#f4f7fb;
    font-family:Arial, Helvetica, sans-serif;
}

h1{
    color:#0d6efd;
}

.card{
    border:none;
    border-radius:15px;
}

.card-header{
    background:#0d6efd;
    color:white;
    font-weight:bold;
}

.table th{
    background:#f8f9fa;
}

.btn-primary{
    font-weight:bold;
}

#message{
    font-weight:bold;
}

.download-btn{
    margin-right:8px;
}