styles.css

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

.dark-theme {
    background-color: #121212;
    color: #fff;
}

/* For theme button flipping */
.flip {
    transform: rotateY(180deg);
}

.container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.number,
.numberscrolling {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.upgrade-cost-text {
    position: fixed;
    top: 10px;
    left: 10px;
    
    font-size: 1.2rem;
    color: #888;
}

.numberscrolling {
    animation: shake 0.5s;
}

@keyframes shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.buttonContainer {
    position: fixed;
    top: 30px;
    right: 10px;
    display: flex;
    flex-direction: column;
    z-index: 999;
}

.buttonContainer button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: black;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -5px;
}

.button-text {
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    margin-top: 5px;
}

.scroll-tip {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    color: #555;
}

a:link, a:visited {
    color: #888;
    font-weight: bold;
}