ameo02

it’s possible in css.
you’re probably not doing something right.
you didn’t state your theme, font to which you wanted to change or anything.
you need to provide more info, we need to take a look at your css sheet
to see what needs to be changed and to what??

go to style.css

and wherever it says #6897E5

change to #000 or what suits you.

designer’s advice: grey is rarely good color.

well if you want that template, best thing to do for you is go with Joomla instead, since there is not WP version, and template is premium,
therefore protected by copyright law.

point is – you’d have to pay crazy amount of money to see that
template in wordpress version, if its maker doesn’t agree to convert it,
or if he does – also expensive.

you should talk to your hosting provider about server problems.
I believe they should fix that.

you have plugin called wooAccount or something like that.
it is configured there, then. [under woocommerce, probably]

Since no one of us has that theme – since it should be purchased,
no one here can help you. Only people that can help you are those
who made it and who support it.

https://www.mojo-themes.com/support/

This is forum for support of free themes only.

you won’t find it in .php files.
It should be under Menus in your admin panel, I think.

Link I provided

/theme-install.php?upload

is something you add to you existing page when you’re in admin panel,
like https://www.smth.com/wp-admin//theme-install.php?upload

where smth is your page.

if this doesn’t work you should really reinstall WordPress.

removing the button would be unwise.
I see that your link leads to:
https://www.zoowizards.co.uk/http:/www.zoowizards.co.uk/my-account/

which means that somewhere in navigation you entered full page link, and you were not suppose to do that.
you were supposed to just add my-account instead.

give us link to your page so we could see the problem.

that is really strange situation.
maybe your wordpress didn’t install as it’s supposed to.

you can try to re-install it, by going to updates, reinstall now,
or you can just this link in your browser which will direct you to page for theme uploading:

wp-admin/theme-install.php?upload

optionally you can install it through FTP client such as Filezilla.

this theme has a bug, where media posts that are embeded fall out of post content box.

You can simply fix this by adding this code in your style.css file

article #post-content iframe {
   max-width:100%;

This should be added in future updates, if they’ll ever happen

Well clearly you have to select some widgets from the left and put it in Footer widgets.

What shall you put there depend on what do you exactly want to be there.
You can choose text widget and add some text or you can choose some other,
and it will display what is chosen, when you put it in Footer widgets

well, credits must stay as they are, unremoved.

You can add content through widgets.
Go to Appearance – Widgets and there you’ll see certain number of widgets
that you can add to Footer widgets, and then they shall display on footer of your page.

in your css file look for

/* add a heading bottom border */
.type-page .entry-title::after {
	content: "";
	width: 20%;
	height: 6px;
	background-color: #789993;
	display: block;
	height: 6px;
	margin: 10px 0;
}

and change background color to your liking.
Colorpicker