IRA Customizations - logo in footer, section spacing, custom button

I have a pretty decent entry-level understanding of CSS & HTML but none of the guides I’ve found online have worked for me…it seems like there isn’t a lot of customization of the IRA theme happening.

I’m trying to add/fix:

Logo/background in Footer

Add a logo/background image in the footer. I was able to add a Footer Logo block but it doesn’t show up with my logo file and really I’d rather be able to put an SVG in the footer vs. a logo file with its own “block”, as below:

Section Spacing

The spacing on the custom About page is huuuuuge after the Rich Text sections but I don’t see where to change that in the section, and when I added this to the theme.liquid, it didn’t work:

div#shopify-section-About-text {
padding-top: 0px !important;
margin-bottom: 0px !important;
}

div#shopify-section-About-text-2 {
padding-top: 0px !important;
margin-top: 0px !important;
margin-bottom: 10px !important;
}

Custom Button

Last thing — I’d like to add a custom button (SVG, like above arrow) but am not sure where to start.

Store info:

https://clnv6up4q67qc7d3-58654130363.shopifypreview.com

PW: Yakima

…I’d love some help figuring out the code or info for someone familiar with IRA. Thanks!