main {
    background-color: #fff;
    padding: 1rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    border-radius: .5rem;
}

img {
    max-width: 100%;
    height: auto;
}

.table thead th {
    border-bottom: none;
}

.container-fluid {
    max-width: 768px;
}

#text, #year {
    max-width: 540px;
    text-align: center;
    margin: 0 auto;
}

@media (min-width: 800px) {
    body {
        background-color: #ced4da;
    }
}