body {
    background: #008080 url("https://www.transparenttextures.com/patterns/asfalt-light.png");
    font-family: monospace;
    color: #1a1a1a;
    margin: 0;
    padding: 0;
}

.container {
    width: 43.75rem; /* 700px */
    margin: 2.5rem auto; /* 40px */
    background: #fff8e1;
    border: 0.125rem solid #202060; /* 2px */
    padding: 1.5625rem 2.1875rem; /* 25px 35px */
    box-shadow: 0.3125rem 0.3125rem 0 #606060; /* 5px 5px */
}

.rss-icon {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.rss-icon img {
    width: 1.125rem; /* 18px */
    height: 1.125rem; /* 18px */
    filter: none;
}

h1 {
    font-size: 1.5rem; /* 24px */
    margin: 0 0 0.3125rem 0; /* 5px */
    color: #202060;
}

footer {
    text-align: center;
    margin-top: 2.5rem; /* 40px */
    color: #666;
    border-top: 1px solid #eee;
    padding-top: 1.25rem; /* 20px */
}

.buttons a {
    text-decoration: none;
}

@media (max-width: 768px) {
    .container {
        width: 90%;
        margin: 2rem auto;
        padding: 1.25rem 1.5rem;
    }

    h1 {
        font-size: 1.25rem; /* 20px */
    }

    .rss-icon img {
        width: 1rem; /* 16px */
        height: 1rem;
    }

    footer {
        font-size: 0.875rem;
        padding-top: 1rem;
        margin-top: 2rem;
    }
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}