body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 0;
}

.container {
    width: 900px;
    margin: 40px auto;
}

h1, h2 {
    color: #333;
}

a {
    text-decoration: none;
    color: white;
    background: #4CAF50;
    padding: 8px 14px;
    border-radius: 6px;
    margin-right: 5px;
    display: inline-block;
}

a:hover {
    background: #45a049;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

form {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 350px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

input, select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    background: #2196F3;
    color: white;
    border: none;
    padding: 10px;
    width: 100%;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1976d2;
}

table {
    border-collapse: collapse;
    width: 100%;
    background: white;
}

table th {
    background: #2196F3;
    color: white;
    padding: 10px;
}

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

ul {
    padding-left: 20px;
}