body {
    font-family: Arial;
    background: #f4f6f8;
}

.container {
    width: 700px;
    margin: auto;
    background: white;
    padding: 30px;
    margin-top: 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px gray;
}

input, select {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
}

button {
    padding: 12px 20px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
}
label {
    font-weight: bold;
    margin-top: 10px;
    display: block;
}
.prob-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.prob-table th {
    background: #007BFF;
    color: white;
    padding: 10px;
}

.prob-table td {
    padding: 10px;
    border: 1px solid #ddd;
}

.highlight {
    background-color: #d4edda;
    font-weight: bold;
}