joomreader
Hi
You can change it from style file or override them
Here is file path /modules/mod_jaimagehotspot/assets/css/style.css
.cd-dropdown ul {
background: #222;
for text color find
.cd-dropdown ul li span {
color: #666;
cursor: pointer;
display: inline-block;
font-weight: normal;
padding: 4px 14px;
white-space: nowrap;
}