body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
    color: #333;
}
h1,h2,h3{
    color: #2c3e50;
}
input[type="text"],
input[type="number"],
select {
    padding: 8px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 200px;
}
button {
    padding: 8px 15px;
    margin: 5px 0;
    border: none;
    border-radius: 4px;
    background-color: #3498db;
    color: white;
    cursor: pointer;
}
button:hover {
    background-color: #2980b9;
}
ul {
    list-style-type: none;
    padding-left: 0;
}
ul li {
    background-color: #fff;
    padding: 8px 12px;
    margin-bottom: 5px;
    border-radius: 4px;
    border: 1px solid #ddd;
}
hr {
    margin: 20px 0;
    border: 0;
    border-top: 1px solid #ccc;
}