/* Reset some default styles */
body, h1, h2, h3, p, ul, li {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

h1 {
    font-size: 28px;
    text-align: center;
    border-bottom: 2px solid #3977BD;
    padding-bottom: 10px;
}

h2 {
    font-size: 24px;
    border-left: 4px solid #3977BD;
    padding-left: 10px;
}

p {
    font-size: 16px;
    margin-bottom: 15px;
}

ul {
    margin: 10px 0;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #3977BD;
    text-decoration: none;
    font-weight: bold;
}