Hello logan1980,
Thanks for your question. Please have a look here about the child theme and it’s importance so that you easily know how we can update the theme.
If you have any confusion, please let us know.
Note: Child theme is provided with the theme. Please download it from my-account page.

Regards,

Hello thaigerweb,
Thanks for your question. Are you using the same theme on more than one site? Or is this only one site that are you using ?
Please let us know.
In case of making social icons white, please use the below CSS codes.

.socials a.facebook {
color: #fff;
}

.socials a.twitter {
color: #fff;
}

.socials a.pinterest {
color: #fff;
}
.socials a.tumblr {
color: #fff;
}

Hope this will work for you.
Add this css on Customize > Layout Design Options > Custom CSS

Regards,
Acme Supports

Hello TheDakotaHomestead,
Thank you so much for your question. If you missed to add featured image on that page, Alt tag will appear so that about is appeared there.
You can get rid from this with two method.
1. Add the featured image on that page. Look here to add the featured image.or,
2. You have options to hide the featured image. Edit that page and scroll to bottom and in Other Option section, you will get the options to hide the featured image. Select on Hide the featured image and it will disappeared there. (In case of you don’t want featured image on that page)
Hope, this will solve your problem.

Best Regards,
Acme Supports

Hello
In case of Category page, it may arise issues due to the code that we provide you previously. Please remove the below code from Custom CSS section:

.archive .entry-footer {
    display: none;
}

After removing this, please check. It will work for the page. http://www.mamairvaikas.lt/tvs/lt/vaikas/vaiku-ligos
Also,
1. This is the WordPress features. If you need any other thing, we need to customize theme. What you want to make?
2. It is not the theme issues. Check the plugin that you used for email subscriber.
3. Please add the below css codes for making widget categories.

.widget_categories select {
    color: blue;
}

Hope this will solve your problem. If not, please contact with email We will help you with the best alternative solution.

Regards,
Acme Supports

Please add the below CSS codes:

.slider-feature-wrap .at-front li {
     height: 80vh !important;   
}

If not worked, let us know with email. We will help you our self.

Regards,
Acme Supports

Please don’t provide the login details (Username/Password) on forum. If you need to send it, please contact us with contact page.

Hello logan1980,
Thank you so much for your questions. Yes, you can use the plugin for meta descriptions. Make sure first that after installing the plugin, it will not effect the functionality and desing of theme. Use the trusted plugin for it.

Regards,
Acme Supports

Would you please try once by using !important;

.slider-section .bx-wrapper img {
    height: 300px !important;
}

If not worked, let us know. We will provide the best alternative solutions.

Regards