Hi loukasgr
Please share a website url and a super user account for it , we will look at your settings
Take a look HERE Point-5 to see how to keep your info private.
EDITED
You added width and height in your custom.css file
.logo-image a {
background-image: url("/IF/templates/ja_mitius/images/logo.png");
background-size: 100% 100%;
width: 120px; /*Change with your width */
height: 90px; /*Change with your height*/
}
Remove them
