body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #fff8e1;
}

header {
    background-color: yellow;
    color: red;
    text-align: center;
    padding: 36px 20px;
}

header h1 {
    font-size: 3em;
    margin: 0;
    font-weight: bold;
}

header p {
    font-size: 1.2em;
    margin: 15px 0 25px;
}

.test-button {
    background-color: red;
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    position: absolute;
}

.test-button:hover {
    background-color: red;
}

main {
    max-width: 900px;
    margin: 40px auto;
    text-align: center;
    padding: 20px;
}

.promo {
    margin: 40px 0;
}

.promo img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
footer
{
    text-align: center;
    background-color: red;
}
nav {
    background: yellow;
    padding: 10px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 15px;
    justify-content: center;
}

nav a {
    text-decoration: none;
    color: red;
}

nav a:hover {
    text-decoration: underline;
}
footer
{
    text-align: center;
    font-weight: bold;
    color: red;
    background-color: yellow;
    padding: 20px;
}