h1 {
    color: #eee4e4;
    font-size: 2em;
    margin-bottom: 0.5em;
    text-align: center; 
    background-color: blue;
}
.topics-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background-color: burlywood;

}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}