* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

nav {
    background-color: #24283b;
    position: sticky;
    top: 0;
    padding: 20px 0px 20px 0px;
}
nav ul {
    display: flex;
    padding: 0;
    margin: 0;
    justify-content: center;
}
nav li {
    display: inline-block;
    margin: 0 15px;
}
nav a {
    text-decoration: none;
    color: #a9b1d6;
}