Hi there;
From what I can see the CSS in your screenshot above is applied on your site.
If I look at the CSS to change the logo width, it is on your site;

Link to image: http://cld.wthms.co/aAX8vm
If you would like to hide the cart, you can add the following CSS;
/* Hide Cart */
#site-header-cart {
display: none;
}
The reason you might not be seeing your CSS changes could be due to either a caching plugin on your site or browser cache.
If you have a caching plugin, clear its cache and if not, clear your browser cache – https://codex.ww.wp.xz.cn/I_Make_Changes_and_Nothing_Happens
I hope this helps!
Thanks for that, but the issue is that I am getting errors on the other CSS I have applied.The logo resizing works OK
See my screenshot on the original post
I double checked your screenshot again and see now what is happening.
The first media query doesn’t have a closing }

Link to image: http://cld.wthms.co/8JgikJ
Add that in and check again to see if that helps. It either needs to go on line 11, 17 or 21, depending on what is included in that media query.
Hi
Thanks Again, that seems to fix things but then the logo is not longer responsive when changing to mobile or tablet?
Hey,
How do you want the logo to behave on mobile? If you set;
.site-header .custom-logo-link img, .site-header .site-logo-anchor img, .site-header .site-logo-link img {
max-width: 100%;
}
You’ll get something like this: https://cloudup.com/cvsvL6fBywm
From there, with a few tweaks to the menu button you’d be looking pretty good.
However, if you want the menu button to maintain it’s position in the top right, also add the following;
.woocommerce-active .site-branding {
width: 72%;
}
Which will result in this: https://cloudup.com/ct0D8t81ZIz
Best of luck! Let us know if you have any other questions.
James
Designer @ Automattic
@jameskoster thanks so much that worked a treat you read my mind! Thanks for your help also @etiennep I added the code to remove the cart at the top so looks great now.
Thanks so much for your help!