Merge pull request #385 from UW-Macrostrat/css-fix

CSS Fix

Author: davidsklar99

pages/index/+Page.module.sass

@@ -58,14 +58,14 @@
     top: 0
     left: 50%
     bottom: 0
-    margin-left: -50vw
     width: 100vw
     height: 100%
+    margin-left: calc(-50vw - 8px)
     z-index: -1
     object-fit: cover
-    overflow: hidden
-    background-position: 50% 50%
     background-size: cover
+    background-position: center
+
 
   .hero-content
     text-align: center

src/components/navigation/sticky-header.module.sass

@@ -1,11 +1,19 @@
 .sticky-header
   position: sticky
   top: -1em
-  // Provide some overlap for intersection observer
   z-index: 100
-  margin: 0 0 0
-  padding: 1em 0 0em
+  margin: 0
+  padding: 1em 0 0
 
+  .backdrop
+    height: 3em
+    background-color: var(--background-color)
+    width: 100vw
+    position: fixed
+    top: 0
+    left: 0
+    pointer-events: none
+    z-index: -1
 
   &:global(.is-stuck)
     .backdrop
@@ -15,14 +23,3 @@
     .backdrop
       background: linear-gradient(var(--background-color) 90%, rgba(255, 255, 255, 0))
       border-bottom: none
-
-  .backdrop
-    position: absolute
-    top: 0
-    left: 50%
-    width: 100vw
-    height: 100%
-    background: var(--background-color)
-    margin: 0 -50vw 0
-    z-index: -1
-