@import url('https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700');

body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #1d1f21, #343a40);
    font-family: 'Poppins', sans-serif;
}

ul {
    margin: 0;
    padding: 0;
    display: flex;
    gap: 40px;
}

ul li {
    position: relative;
    list-style: none;
    width: 30px;
    height: 30px;
    background: #555;
    margin: 0;
    border-radius: 50%;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

ul li:hover {
    background: #00c6ff;
    box-shadow: 0 0 15px 4px #00c6ff;
    transform: scale(1.2);
}

ul li .content {
    position: absolute;
    bottom: 80px;
    left: -135px;
    width: 300px;
    background: #ffffff;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 10px;
    visibility: hidden;
    opacity: 0;
    transition: all 0.4s ease-in-out;
    transform: translateY(20px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

ul li .content::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #ffffff;
    bottom: -10px;
    left: calc(50% - 10px);
    transform: rotate(45deg);
    z-index: -1;
}

ul li:hover .content {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

ul li .content h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

ul li .content p {
    margin: 10px 0 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #555;
    font-weight: 300;
}
