body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1, h2,h3,h4,h5 {
    color: #333;
}
p {
    color: #666;
}
ul {
    list-style-type: none;
    padding: 0;
}
li {
    margin-bottom: 10px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}
th {
    background-color: #f4f4f4;
}
.btn {
    display: inline-block;
    padding: 10px 10px;
    background-color: #007bff;
    color: #fff;
    font-size: 12px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
}
.btn:hover {
    background-color: #0056b3;
}