Hello,

Please add this code in Custom CSS:

@media (max-width: 980px) {
   .products-grid.product-count-3 .product:nth-child(2n+1) {
       float: left;
       clear: both !important;
   }
}

Regards,
Rose Tyler.

Hello,

1. Try to write font size in text block settings for ul http://prnt.sc/dlc1xs
2. Please add this code in Custom CSS:

footer .widget-title {
    border-color: white !important;
}

Regards,
Rose Tyler.

Hello,

To change logo in fixed header go to Theme Options > Header > Logo image for Fixed header, and upload your image.

Regards,
Rose Tyler.

Hello,

You’re welcome!

Regards,
Rose Tyler.

Hello,

WP Dashboard credentials are incorrect.
Please check them.

Regards,
Rose Tyler.

Hello,

Try to add this code in Custom CSS:

.main-footer {
    padding-top: 0;
}

Regards,
Rose Tyler.

Hello,

Take a look at the screenshot http://prntscr.com/dl8jjl
You need to update Live Chat plugin via FTP https://www.8theme.com/download-plugins/ then go to Dashboard -> Live Chat -> Options -> Popups.

Regards,
Rose Tyler.

Hello,

You’re welcome!
Have a nice day.

Regards,
Rose Tyler.

Hello,

Please, provide wp-admin access in Private Content.

Regards,
Rose Tyler.

Hello,

Go to Dashboard -> Live Chat -> Options -> Appearance

Regards,
Rose Tyler.

Hello,

Try to add this code in Custom CSS:

.tax-product_cat .term-description {
    display: none;
}

Regards,
Rose Tyler.

Hello,

Please add this code in Custom CSS:

.page-content {
    margin-top: 0;
}

and delete this:

.admin-bar .fixed-header-area.fixed-already {
    background-image: url("http://www.berendetimmerwerken.nl/wp-content/uploads/2014/02/brownboard.jpg");
    border-bottom: 0;
}

Regards,
Rose Tyler.

Hello,

Oh, I see. Change this class in code
.fixed-header-area.fixed-already
to
.fixed-header-area

Regards,
Rose Tyler.

Hello,

Please add this code in Custom CSS:

.menu .nav-sublist-dropdown ul > li > a {
    color: #767676 !important;
}
.menu .nav-sublist-dropdown ul > li > a:hover {
    color: #cda85c !important;
}

Regards,
Rose Tyler.

Hello,

You’re welcome!
Try to add: border-bottom: 0; http://prntscr.com/dk6pxq

Regards,
Rose Tyler.