body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}
header {
    background: #222;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}
header h1 {
    margin-bottom: 20px;
}
.btn {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    background: #f04;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}
section {
    padding: 40px 20px;
}
h2 {
    margin-bottom: 20px;
    color: #f04;
}
ul {
    list-style: square inside;
}
form input, form select, form textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
form input[type="submit"] {
    background: #f04;
    color: #fff;
    border: none;
    cursor: pointer;
}
form input[type="submit"]:hover {
    background: #c03;
}
#gallery a {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    background: #f04;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}
#gallery a:hover {
    background: #c03;
}
footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px;
}
footer a {
    color: #f04;
    text-decoration: none;
}