body {
    display: grid;
    place-items: center;
    height: 100vh;
    margin: 0;
    padding: 0;
    background-color: black;
    color: white;
    user-select: none;
}

.main {
    display: flex;
    gap: 200px;
}

.left h3 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 50px;
}

.gem-image {
    width: 300px;
}

.gem-image:hover {
    opacity: 0.9;
    cursor: pointer;
}

.gem-image:active {
    opacity: 0.8;
    transform: scale(1.02)
}

.upgrade {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 330px;
    height: 60px;
    border: 4px solid white;
    padding: 10px 20px;
    border-radius: 5px;
    position: relative;
}

.middle-section h4 {
    margin: 0;
    margin-bottom: 20px;
    font-size: 20px;
}

.middle-section p {
    margin: 0;
}

.upgrade-img {
    width: 55px;
}

.gem-img {
    width: 20px;
    height: 20px;
}

.cost-info {
    display: flex;
    align-items: center;
    gap: 5px;
}

.next-level-info {
    position: absolute;
    right: -105px;
    background-color: rgb(90, 89, 90);
    height: 80px;
    width: 100px;
    text-align: center;
    display: none;
}

.upgrade:hover .next-level-info {
    display: block;
}