/* General page styling */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 20px;
    color: #333;
}

/* Main heading */
h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

/* Form styling */
form {
    text-align: center;
    margin-bottom: 30px;
}

label {
    font-weight: bold;
    margin-right: 10px;
}

input[type="text"] {
    padding: 8px;
    width: 250px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

input[type="submit"] {
    padding: 8px 16px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #2980b9;
}

/* Table styling */
table {
    width: 80%;
    margin: 0 auto 20px auto;
    border-collapse: collapse;
    background-color: #ffffff;
}

th, td {
    padding: 10px 12px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #2c3e50;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

tr:hover {
    background-color: #e6f2ff;
}

/* First student info text */
body > p,
body > h1 + br {
    text-align: center;
    font-weight: bold;
}