* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}

h1 {
    text-align: center;
    margin: 20px 0;
    font-size: 2.5em;
    color: #2c3e50;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 20px auto;
}

p {
    text-align: center;
    margin: 15px 0;
}

a {
    text-decoration: none;
    color: #2980b9;
    transition: color 0.3s;
}

a:hover {
    color: #3498db;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 20px auto;
    max-width: 600px;
}

li {
    background: #fff;
    margin: 10px 0;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 20px;
    background: #2c3e50;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}