change picturesize in footer

I have inserted some Pictures in the footer.php.
I want to Display the Images in max. 80px width sitze but I will get always a bigger size.
Therefore I will ask you how I can Change the Image size.

kindly regards

i could it solve by my self:
.col-md-66 img {

Hello there,

I hope you are doing well today.

In the footer, there appears to be some CSS code to change the image size to 80px:

.col-md-66 img {
    width: 80px;

Is the code not working on your end?

Best Regards,