body {
    margin: 0;
    padding: 0;
    font-family: sans serif font;
}


h1 {
    color: royalblue;
    text-transform: uppercase;
}

h2 {
    color: olivedrab;
}

div {
    height: 220
}

button {
    background-color: royalblue;
    color: black;
    padding: 0 30px;
}
button:hover {
    background-color: olive;
    color: white;
}

img {
    width: 100%;
    height: auto;
}