body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    height: 100vh;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background-color: #f4f4f4;
}

h2 {
    font-size: 2.5em;
}

h3 {
    font-size: 2em;
}

h4 {
    font-size: 1.8em;
}

p {
    font-size: 1.6em;
}

form {
    margin-bottom: 30px;
}

input[type="text"] {
    font-size: 2em;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
}

button {
    font-size: 1.8em;
    padding: 10px 20px;
    margin-top: 10px;
    cursor: pointer;
}

ul {
    font-size: 1.6em;
    padding-left: 20px;
}

a {
    display: inline-block;
    margin-top: 20px;
    font-size: 1.2em;
    text-decoration: none;
    color: #007BFF;
}