What margins do these image elements have?

<html>
<head>
  <style>body {
//text-align: center;
}

button {
font-size: 18px;
background-color: purple;
color: white;
border-radius: 30px;
margin: 0px 0 0 0;
}

img {
margin: 0px 20px 0 20px;
  border-radius:10px;height: 75px;width: 75px;
}
</style>
</head>
<body>
<p>Destinations</p>
<img src="https://getmimo.com/r/eiffel.png">
<img src="https://getmimo.com/r/londoneye.png">
<br>
<img src="https://getmimo.com/r/colosseum.png">
<img src="https://getmimo.com/r/moon.png">

</body>
</html>]]>
Right and left marginsA bottom marginTop and bottom marginsA left margin

Right and left margins.