/* Add viewport meta tag */
body {
    background-color: #ECEC1A;
}

ul {
    list-style-type: none;
    background-color: #7A9E9F;
    padding: 0px;
    margin: 0px;
    overflow: hidden;
}

a {
    text-decoration: none;
    padding: 15px;
    display: block;
    text-align: center;
    color: white;
}

a:hover {
    background-color: black;
}

li {
    float: left;
}

h1 {
    text-align: center;
}

/* Media query for smaller screens */
@media screen and (max-width: 600px) {
    ul {
        display: flex;
        flex-direction: column;
    }
    li {
        float: none;
    }
    a {
        text-align: center;
    }
}