body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    overflow-y: auto;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 20px 0;
}

.ball {
    width: 150px;
    height: 150px;
    background-color: #3498db;
    border-radius: 50%;
    animation: kegel 7s infinite;
}

@keyframes kegel {
    0%, 100% {
        transform: scale(0.5);
    }
    50% {
        transform: scale(1.2);
    }
}

.description {
    text-align: center;
    padding: 20px;
    max-width: 600px;
}

.full-description {
    margin-top: 20px;
    text-align: left;
    max-width: 600px;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}