#popup {
    width: auto;
    background: yellow;
    border: 3px solid black;
    position: absolute;
    bottom: 45px;
    right: 5px;
    display: block;
    padding: 5px;
}
.image-div {
    display:block;
    width:100%;
    height:50px;
    text-align: center;
}
.image-div img{
    width:150px;
}
.calculation-div {
    margin-left: 10px;
    width: 55%;
    display: inline-block;
}
.calculation-div .output {
    width:30px;
    display:inline-block;
}
.calculation-div .figure {
    color:#FF0000;
    font-size: 18px;
}
.calculation-div .output {
    background-color:#FF0000;
    font-size: 18px;
    color:yellow;
}
.calculation-div .sign {
    color:#FF0000;
    font-size: 18px;
}
.confirm-section {
    display:inline-block;
}
.second-row {
    text-align: center;
}