feat: set preview image ratio to 1.91 : 1

Author: cotes2020

_layouts/post.html

@@ -31,30 +31,14 @@ <h1 data-toc-skip>{{ page.title }}</h1>
     {% capture class %}class="preview-img{% if page.image.no_bg %}{{ ' no-bg' }}{% endif %}"{% endcapture %}
     {% capture alt %}alt="{{ page.image.alt | default: "Preview Image" }}"{% endcapture %}
 
-    {% capture w %}
-      {% if page.image.width %}
-        width="{{ page.image.width }}"
-      {% elsif page.image.w %}
-        width="{{ page.image.w }}"
-      {% endif %}
-    {% endcapture %}
-
-    {% capture h %}
-      {% if page.image.height %}
-        height="{{ page.image.height }}"
-      {% elsif page.image.h %}
-        h="{{ page.image.h }}"
-      {% endif %}
-    {% endcapture %}
-
     {% capture lqip %}
       {% if page.image.lqip %}
         lqip="{{ page.image.lqip }}"
       {% endif %}
     {% endcapture %}
 
     <div class="mt-3 mb-3">
-      <img {{ src }} {{ class }} {{ w | strip }} {{ h | strip }} {{ lqip | strip }} {{ alt }}>
+      <img {{ src }} {{ class }} {{ alt }} w="1200" h="630" {{ lqip | strip }}>
       {%- if page.image.alt -%}
         <figcaption class="text-center pt-2 pb-2">{{ page.image.alt }}</figcaption>
       {%- endif -%}

_sass/layout/post.scss

@@ -34,13 +34,19 @@
   @include align-center;
   @extend %preview-margin;
 
+  max-width: 100%;
+
   &:not(.no-bg) {
     img.lazyloaded {
       background: var(--img-bg);
     }
   }
 
   img {
+    aspect-ratio: 40 / 21;
+    -o-object-fit: cover;
+    object-fit: cover;
+
     @extend %preview-margin;
     @extend %img-rounded;
   }