.text-center {
    text-align: center;
}

a.logo {
    font-size: 26px;
    font-family: monospace;
}

.gray-border {
    border: 5px solid gray;
}

.list ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.links-list a {
    display: block;
    margin-bottom: 10px;
}

.links-list a:hover {
    border-bottom: 0;
}

h1 {
    font-size: 18px;
}

h2 {
    font-size: 16px;
}

#related-colors a {
    display: block;
    text-align: center;
    padding: 15px;
    color: white;
    background-color: black;
}