body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #c9eaf9;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
    width: 100%;
    box-shadow: 0px 3px 5px 0px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
}

form {
    margin-top: 20px;
}

label {
    display: block;
    margin-bottom: 10px;
}

input {
    padding: 8px;
    width: 300px;
}

button {
    padding: 8px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    cursor: pointer;
}

h2 {
    color: #333;
    margin-top: 20px;
}

p {
    margin-top: 10px;
}

ul {
    list-style-type: none;
    padding: 0;
    max-width: 1200px; 
    width: 100%;
}

li {
    margin-bottom: 20px;
    border: 1px solid #a9a9a9;
    border-radius: 5px;
    padding: 10px;
}

strong {
    display: block;
    margin-bottom: 10px;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

p {
    margin: 0;
}

@media screen and (max-width: 768px) {
    input {
        width: 100%;
    }
    ul {
        max-width: 100%;
    }
}