body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Microsoft YaHei Light", sans-serif;
    color: #4b4b4b;
    font-size: 16px;
}

.container {
    max-width: 650px;
    margin: 4% auto;
    line-height: 1.5;
    padding: 0 10px;
}

.container h1 {
    font-size: 2em;
    margin-bottom: 0;
    margin-top: 0;
}

.container h2 {
    margin-top: 0;
    color: #888;
    font-size: 1em;
    font-weight: 400;
}

hr {
    border: 0;
    border-top: 2px solid #e5e5e5;
    margin: 2em 0;
}

ul.todo-list {
    list-style: none;
    padding-left: 0;
}

ul.todo-list li::before {
    content: "✓ ";
    color: #2ecc40;
    font-weight: bold;
    margin-right: 0.5em;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

ul.todo-list li.pending::before {
    content: "● ";
    color: #ffd700;
    font-weight: bold;
    margin-right: 0.6em;
    display: inline-block;
    animation: pulse 1.5s infinite ease-in-out;
}

#social-links {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

#social-links p {
    margin: 0;
}