You can't add more items to cart logo error message

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Hi.  I am having trouble with the error message on my product page when I try to add more quantities than available a huge red exclamation logo appears instead of it being on one line in small letters. Using debut theme. Please see attached. On the phone it doesn't even have an exclamation point logo.  Where in the code can I change the size of this logo? IMG_8409.JPG