body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

input, button {
    margin-bottom: 10px;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
}

th, td {
    border: 1px solid #dddddd;
    text-align: left;
    padding: 8px;
}

th {
    background-color: #f2f2f2;
}

.safe {
    color: green;
}

.unsafe {
    color: red
}