body {
background-color: #009999;
}


div.main {
width: 700px;
height: *;
border-radius: 3%;
background-color: #ffffff;
margin: 30px auto 0 auto ;
padding: 5px 30px 20px 30px;
}

h1 {
text-align: center;
}

h2 {
font-size: 20px;
}


ul.img {
display: flex;
justify-content: center;
margin-top: 50px ;
}

li.img {
list-style: none;
}

li.img:nth-child(2) {
margin: 0 50px;
}