<html><head><style>body {
text-align: center;
}
button {
font-size: 18px;
background-color: purple;
color: white;
border-radius: 30px;
margin: 0px 0 0 0;
}
h3 {
margin: 30px 50px 0 50px;
background-color: Plum;
}
img {
border-radius:10px;height: 150px;width: 150px;
}
h1{background-color: lavender;}
</style></head>
<body><h1>Travel Shack Holidays</h1> <h3>Paris</h3><img src="https://getmimo.com/r/eiffel.png">
<h3>London</h3>
<img src="https://getmimo.com/r/londoneye.png">
</body>
</html>]]>
Top, right, and left margins.