Hi
Because you are loading an image from an http url
You can change the image loading a new image ( your logo ) coming from an https url
You can find these settings in this file templatesja_social_iicsstemplate.css
.t3-logo-small {
width: 60px;
height: 30px;
}
.t3-logo,
.t3-logo-color {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-big-color.png");
}
.t3-logo-small,
.t3-logo-small.t3-logo-color {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-small-color.png");
}
.t3-logo-dark {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-big-dark.png");
}
.t3-logo-small.t3-logo-dark {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-small-dark.png");
}
.t3-logo-light {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-big-light.png");
}
.t3-logo-small.t3-logo-light {
background-image: url("http://static.joomlart.com/images/jat3v3-documents/logo-complete/t3logo-small-light.png");