body {
    background-color: rgb(221, 221, 221);
    min-height: 60rem;
}
img {
    width: 100%;
    margin: 2rem 0rem;
}
h1{
    text-align: center;
}
ul {
    list-style:circle;
}
table {
    margin: 5rem 0rem;
    background-color: white;
    border-radius: .5rem;
}
table:hover {
    border: .1rem solid black;
}
a {
    color: black;
    text-decoration: none;
    padding: 1rem 1rem;
    background-color: white;
    border-radius: .5rem;
    margin-left: 1rem;
}
a:hover {
    color: white;
    background-color: black;
}