/* Reset body margins and padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #333; /* Dark gray background */
    overflow: hidden;
}

.intro {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #fff;
    animation: fadeIn 2s ease-out forwards;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dot {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: black;
    animation: pulse 5s infinite alternate;
}

@keyframes fadeIn {
    0% {
        background-color: #fff;
    }
    100% {
        background-color: #333;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}