.equation_w {
    height: 100%;
}

.abacus_image_w {
    --size: 0.14;
    width: calc(var(--size) * 1946.91px);
    height: calc(var(--size) * 2 * 213.49px);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    margin: auto auto 1.5em auto;
}

.option_container_w {
    margin: 0em 5em 0em 5em;
    display: flex;
    justify-content: space-evenly;
}

.option_w {
    font-size: 1.2em;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(0,0,0,0.3);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;

}

.correct_w {
    background-color: #00B419 !important;
    color: white !important;
    font-weight: bold !important;
    border: none;
}

.question_mark_w {
    font-weight: bold;
    color: #377aab;
}

.question-number {
    margin-left: 1em;
}