body{
    background-color: #3db2a8;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

section, main{
    background-color: #d7f5fe;
    width: 80%;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    padding: 1rem;
    border-radius: 0.7rem;
}
section{
    margin-top: 1.5rem;
}

main h1{
    text-align: center;
}

.list-images{
    display: flex;
    flex-direction: column;
}

.list-images li{
    cursor: pointer;
}
li p{
    margin: 0;
}
.list-images img{
    height: 10%;
    width: 30%;
    display: none;
}
.list-images li:hover img,.list-images li:focus img{
    display: block;
}