* {
    margin: 0;
    padding: 0;
    outline: 0;
    font-size: 100%;
    background-color: lightgreen;
    text-transform: lowercase;
    color: darkgreen;
}

html {
    background-image: url(background153.gif);
    background-repeat: repeat-x;
}

body {
    background-color: transparent;
}

a {
    color: darkgreen;
    text-decoration: none;
    background-color: transparent;
}

h1 {
    margin-top: 100px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 20px;
    background-color: transparent;
}

main {
    margin: auto;
    width: 80%;
    padding: 10px 20px 10px 20px;
    align-items: center;
    border-style: solid;
    border-width: 1px;
    border-color: darkgreen;
    text-align: center;
    line-height: 25px;
}

@media screen and (min-width: 700px) {
    main {
        width: 600px;
    }
  }
  

h2 {
    margin-bottom: 10px;
}

ul {
    margin-top: 10px;
    display: flex;
    text-align: center;
    justify-content: center;
    flex-wrap: wrap;
}

li {
    margin: 10px;
    list-style-type: none;
}

a:hover {
    color: green;
}