table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
table, th, td {
    border: 1px solid #ddd;
}
th, td {
    padding: 12px;
    text-align: center;
}
th {
    background-color: #007bff;
    color: white;
}
tr:nth-child(even) {
    background-color: #f9f9f9;
}
.pass {
    color: green;
    font-weight: bold;
}
.fail {
    color: red;
    font-weight: bold;
}
.summary {
    text-align: center;
    font-size: 1.2em;
    margin-top: 20px;
}
.btn {
    display: flex;
    justify-content: space-between;
}