style.css

body {
    background-color: #f5f5f5;
    color: #333;
    font-family: 'Verdana', sans-serif;
    font-size: 1.1em;
    line-height: 1.6em;
    margin: 0;
    padding: 20px;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 3%;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

th {
    background-color: #f0f0f0;
    color: #333;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

select {
    background-color: #fff;
    color: #333;
    border: 1px solid #007BFF;
    padding: 5px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

select:focus {
    outline: none;
    box-shadow: 0 0 5px #007BFF;
}

header {
    background-color: #007BFF;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
    margin-bottom: 20px;
}

footer {
    background-color: #f0f0f0;
    color: #333;
    text-align: center;
    padding: 10px 20px;
    margin-top: 20px;
}

button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}