body {
    font-family: Arial, sans-serif;
    margin: 30px;
    background: #f4f4f4;
}

table {
    border-collapse: collapse;
    width: 100%;
    background: white;
}

table, th, td {
    border: 1px solid #bbb;
}

th, td {
    padding: 10px;
    text-align: left;
}

a.btn, button {
    padding: 8px 12px;
    background: #0078ff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

a.btn:hover, button:hover {
    opacity: .8;
}