body {
    background-color: grey;
    color: white;
}

#game-container {
    width: 80vw;
    height: 75vh;
    border: 2px solid white;
    border-radius: 5px;
    background-color: rgb(207, 207, 207);
}

#game-board {
    position: relative;
    width: 100%;
    height: 100%;
}

#game-board::after {
    content: '';
    position: absolute;
    top: 0;
    right: 200px;
    width: 2px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.atom {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    background-color: yellow;
    color: black;
    cursor: grab;
    user-select: none;
    position: fixed;
}

#atom-bank .atom {
    position: static; 
    margin: 5px 0;
}

.atom-h {
    background-color: white;
    width: 20px;
    height: 20px;
    font-size: 1rem;
}

.atom-o {
    background-color: red;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
}

.atom-c {
    background-color: grey;
    width: 30px;
    height: 30px;
    font-size: 1.5rem;
}
.atom-n {
    background-color: yellow;
    width: 34px;
    height: 34px;
    font-size: 1.5rem;
}

.selected-atom {
    background-color: aqua;
    cursor: grabbing;
}