body {
    background-color: #f0f8ff;
    font-family: 'Open Sans', sans-serif;
}

header {
    background-color: #e3ffeb;
    padding: 10px;
    text-align: center;
    font-size: 24px;
    color: #2d3436;
}

main {
    padding: 20px;
}

a {
    color: #0984e3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #74b9ff;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 10px 2px;
    cursor: pointer;
    border-radius: 8px;
}

footer {
    background-color: #dfe6e9;
    text-align: center;
    padding: 10px;
    font-size: 14px;
}