Change Gallery Block Image Title Font?

See above.

Try this in Design > Custom CSS; change font/size/color as needed:

.image-slide-title {
font-family: courier;
font-size: 18px;
color: blue;
}

it does not change with font size as it remains the same.

21 hours ago, Lalat said:

it does not change with font size as it remains the same.

 

try font-size: 20px !important;

If it doesn't work, can you share link to gallery? We can check easier