nav
{
    text-align: center;
    border-bottom: black 1px solid;
    box-shadow: black;
}

h2 {
    color: red;
    text-align: center;
}

ul
{
    list-style: none;
}

form
{
    margin-top: 13%;
    width: 20%;
    margin-left: 40%;
}

input
{
    width: 100%;
    margin-bottom: 3%;
}

button
{
    margin-left: 5%;
    width: 90%;
}