/* Set the page styling and background color */
body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
    font-family: 'Arial', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0e153a;
    color: #ffffff;
}

/* Floating bubble effect */
.bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

/* Style each bubble */
.bubble {
    position: absolute;
    bottom: -150px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: rise 10s infinite linear;
    opacity: 0.6;
}

/* Create different sizes and colors for bubbles */
.bubble:nth-child(1) { width: 40px; height: 40px; left: 10%; animation-duration: 12s; background-color: rgba(255, 230, 0, 0.7); }
.bubble:nth-child(2) { width: 60px; height: 60px; left: 20%; animation-duration: 15s; background-color: rgba(0, 255, 255, 0.7); }
.bubble:nth-child(3) { width: 30px; height: 30px; left: 30%; animation-duration: 10s; background-color: rgba(255, 105, 180, 0.7); }
.bubble:nth-child(4) { width: 70px; height: 70px; left: 40%; animation-duration: 18s; background-color: rgba(0, 255, 0, 0.7); }
.bubble:nth-child(5) { width: 50px; height: 50px; left: 50%; animation-duration: 14s; background-color: rgba(255, 0, 255, 0.7); }
.bubble:nth-child(6) { width: 40px; height: 40px; left: 60%; animation-duration: 12s; background-color: rgba(255, 165, 0, 0.7); }
.bubble:nth-child(7) { width: 60px; height: 60px; left: 70%; animation-duration: 15s; background-color: rgba(0, 0, 255, 0.7); }
.bubble:nth-child(8) { width: 30px; height: 30px; left: 80%; animation-duration: 10s; background-color: rgba(255, 255, 255, 0.7); }
.bubble:nth-child(9) { width: 70px; height: 70px; left: 90%; animation-duration: 18s; background-color: rgba(100, 100, 255, 0.7); }
.bubble:nth-child(10) { width: 50px; height: 50px; left: 5%; animation-duration: 14s; background-color: rgba(255, 255, 0, 0.7); }

/* Define rise animation for bubbles */
@keyframes rise {
    0% {
        transform: translateX(0) translateY(0);
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) translateX(-50px);
        opacity: 0;
    }
}

/* Center content container */
.container {
    text-align: center;
    z-index: 1;
}

/* Style the text */
h1 {
    font-size: 3em;
    margin: 0;
}

/* Enhanced button styling with gradient and shadow */
button {
    margin-top: 20px;
    padding: 12px 24px;
    font-size: 16px;
    color: #ffffff;
    background: linear-gradient(45deg, #007bff, #00c6ff);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

button:hover {
    background: linear-gradient(45deg, #0056b3, #0099cc);
    transform: scale(1.05);
}

/* Keyframes for fading in the container */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}