:root {
    --reading-bg-light: #f5f5f5;
    --reading-bg-blue: #e6f3ff;
    --reading-border-blue: #0066cc;
    --reading-code-bg: #e8e8e8;
    --reading-text-dark: #333;
    --reading-font-mono: 'Courier New', monospace;
    --reading-border-radius: 5px;
    --reading-padding-std: 15px;
}

body {
    font-family: Arial, sans-serif;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
    box-sizing: border-box;
}

.explanation {
    background-color: var(--reading-bg-light);
    padding: var(--reading-padding-std);
    margin: 10px 0;
    border-radius: var(--reading-border-radius);
    width: 100%;
    box-sizing: border-box;
}

h1, h2, h3 {
    color: var(--reading-text-dark);
}

.bring-together {
    background-color: var(--reading-bg-blue);
    border-left: 4px solid var(--reading-border-blue);
    padding: var(--reading-padding-std);
    margin: 20px 0;
    width: 100%;
    box-sizing: border-box;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 10px;
        font-size: 16px;
        width: 100%;
    }
    .explanation, .bring-together {
        padding: 10px;
        margin: 10px 0;
        width: 100%;
    }
    h1 {
        font-size: 1.5em;
    }
    h2 {
        font-size: 1.3em;
    }
    h3 {
        font-size: 1.1em;
    }
}