src/components/HomepagePromises.module.css

 /* stylelint-disable docusaurus/copyright-header */
- 
 .promiseSvg {
-  height: 150px;
-  width: 150px;
+  height: 64px;
+  width: auto;
 }

src/css/custom.css

@@ -91,6 +91,7 @@ p {
   padding: 4rem 0;
   width: 100%;
 }
+
 .sections {
   padding: 4rem 0;
   width: var(--ifm-container-max-width);