:root {
    --background-color: #f0f8ff; /* Alice Blue for a light sky-like background */
    --text-color: #2F4F4F; /* Dark Slate Gray for text */
    --link-color: #006994; /* A deep ocean blue for links */
    --bullet-type-level-1: "🏖️"; /* Beach with Umbrella emoji for level 1 */
    --bullet-color-level-1: #FF6B35; /* Vibrant orange for beach umbrellas */
    --bullet-type-level-2: "🌊"; /* Wave emoji for level 2 */
    --bullet-color-level-2: #4DA6FF; /* Bright blue for ocean waves */
    --bullet-type-level-3: "🐚"; /* Shell emoji for level 3 */
    --bullet-color-level-3: #FFD700; /* Gold for seashells */
}

/* Set the background color and text color */
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
}

/* Center the slide div itself */
div.slide {
    width: 80%;
    margin: 0 auto;
    text-align: left;
}

/* Style for the title slide */
div.slide.title-slide {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

/* Style for h1 title and h2 subtitle on the title slide */
div.slide.title-slide h1,
div.slide.title-slide h2 {
    font-weight: bold;
    margin: 1em 0;
}

/* Style for h1 title on the title slide */
div.slide.title-slide h1 {
    font-size: 2.5em;
}

/* Style for h2 subtitle on the title slide */
div.slide.title-slide h2 {
    font-size: 1.75em;
}

/* Add more top margin to the first heading on non-title slides */
div.slide:not(.title-slide) h1:first-child {
    margin-top: 2em;
}

/* Style for the outer UL list to align with the title */
div.slide ul {
    margin-left: 10%;
    padding-left: 0;
}

/* Style for first-level bullet points */
ul li {
    color: var(--text-color);
    list-style-type: none;
    position: relative;
    padding-left: 2em;
}

/* Add custom bullet points for level 1 */
ul li:before {
    content: var(--bullet-type-level-1);
    color: var(--bullet-color-level-1);
    position: absolute;
    left: 0;
}

/* Style for second-level bullet points */
ul ul li {
    padding-left: 2em;
}

/* Add custom bullet points for level 2 */
ul ul li:before {
    content: var(--bullet-type-level-2);
    color: var(--bullet-color-level-2);
    position: absolute;
    left: 0;
}

/* Style for third-level bullet points */
ul ul ul li {
    padding-left: 2em;
}

/* Add custom bullet points for level 3 */
ul ul ul li:before {
    content: var(--bullet-type-level-3);
    color: var(--bullet-color-level-3);
    position: absolute;
    left: 0;
}

/* Style for links */
a {
    color: var(--link-color);
    text-decoration: underline;
}