h1 {
    text-align: center;
}

img {
    display: block;
    margin: 0 auto;

    z-index: -1;
}

a {
    display: block;
    margin: 0 auto;
    text-align: center;
    color: rgb(255, 255, 255);
    text-decoration: none;
}

a:link {
    color: rgb(255, 255, 255);
    text-decoration: none;
}

a:visited {
    color: rgb(168, 168, 168);
}

a:hover {
    color: blue;
}

a:active {
    color: red;
}

.navbar {
    display: flex;
    justify-content: space-between;
}

a {
    text-decoration: none;
    color: black;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0);
    z-index: 1;
}

nav {
    display: flex;
    justify-content: left;
    padding: 1rem;
}

ul {
    list-style: none;
    display: flex;
}

li {
    margin: 0 1rem;
}