@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap');

body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    font-family: 'Roboto', sans-serif;
}

.container {
    text-align: center;
}

h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

#price-container {
    display: inline-flex;
    align-items: center;
}

.symbol {
    font-size: 48px;
    font-weight: bold;
    color: #555;
}

.price {
    font-size: 48px;
    font-weight: bold;
}

.price.animation-up {
    animation: shake-up 0.5s ease-in-out infinite;
    color: #0f0;
}

.price.animation-down {
    animation: shake-down 0.5s ease-in-out infinite;
    color: #f00;
}

@keyframes shake-up {
    0% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

@keyframes shake-down {
    0% { transform: translateY(0); }
    50% { transform: translateY(5px); }
    100% { transform: translateY(0); }
}