Update homepage cards to use same hover styling as pagination cards for consistency

Author: spikeheap

src/components/HomepageFeatures/styles.module.css

@@ -6,10 +6,16 @@
 }
 
 .feature   {
-  border: 1px solid var(--ifm-color-primary);
-  border-radius: 1rem;
-  padding: 0.5rem;
+  border: 1px solid var(--ifm-color-emphasis-300);
+  border-radius: var(--ifm-pagination-nav-border-radius);
+  padding: var(--ifm-global-spacing);
   margin: 0.5rem;
+  transition: border-color var(--ifm-transition-fast) var(--ifm-transition-timing-default);
+
+  &:hover {
+    border-color: var(--ifm-pagination-nav-color-hover);
+    text-decoration: none;
+  }
 }
 
 .featureSvg {