body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    color: #333;
    line-height: 1.6;
}
header {
    background-color: #2c3e50;
    color: white;
    padding: 30px 20px;
    text-align: center;
}
header h1 {
    margin: 0;
    font-size: 32px;
}
header p {
    margin: 8px 0 0;
    color: #dce6ed;
}
main {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
}
div {
    background-color: white;
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
}
h3 {
    color: #2980b9;
}
h4 {
    color: #555;
    margin-bottom: 5px;
}
p {
    margin-top: 5px;
}
ul {
    background-color: white;
    padding: 20px 20px 20px 40px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
li {
    margin-bottom: 10px;
}
b {
    color: #2980b9;
}
footer {
    background-color: #243b55;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 30px;
}
footer p {
    margin: 0;
}
a{
    text-decoration: none;
    
}