#imageBox,
#controlPanel {
    /*puts the image box and control panel side by side*/
    display: inline-block;

    /*makes the image box and control panel aligned at the top*/
    vertical-align: top;
}

#imageBox {
    /*gives dimensions to the image box*/
    width: 380px;
    height: 350px;

    /*puts empty space to the right of the image box to separate it from the control panel*/
    margin-right: 100px;
}