.exerciseOptionHeader {
    text-align: center;
}

.exerciseOption {
    height: 73px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

#exerciseNumberHeader {
    text-align: center;
}

.abacusColumn {
    margin: 4px;
}

.abacus {
    width:40px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-direction: column;
    position: relative;
    height:220px;
}

.abacusWhire {
    box-sizing: border-box;
    border-left: 2px solid black;
    padding-top: 2px;
    height: 220px;
    position:absolute;
    z-index: -1;
}

.roundedElement {
    border-radius: 50%;
    height: 20px;
    width: 20px;
    box-sizing: border-box;
    background-color: aqua;
    margin: 2px 0px 2px 0px;
    opacity: 0.8;
}

.pluseMinuseBtn{
    width: 40px;
    margin-top: 4px;
}

.view {
    display: none;
}