#certificate-editor {
    position: relative;
    display: inline-block;
}
#certificate-editor img {
    max-width: 100%;
    display: block;
}
.draggable {
    position: absolute;
    padding: 5px 10px;
    background: rgba(255,255,255,0.7);
    border: 1px dashed #000;
    cursor: move;
}
.font-select {
    display: block;
    margin: 5px 0 15px 0;
}