img {
    width: 400px;
    display: block;
    margin: auto;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;

}

h1 {
    color: yellowgreen;
    background-color: blue;
    text-align: center;
    border-radius: 5%;
    border-style: dotted;

}

p {
    background-color: pink;
    font-size: 2em;
    color: blue;
    text-align: center;
}

footer {
    margin-top: 1em;
    color: white;
    background-color: blue;
}
ul{
    text-align: center;
    list-style: none;
}
main{
    background:
  repeating-linear-gradient(transparent, #4d9f0c 40px),
  repeating-linear-gradient(0.25turn, transparent, #3f87a6 20px);
}
a:checked{
    font-size: 4em;
    color: yellowgreen;
}
a{
    font-size: 4em;
    border-bottom: solid;
}