increase contrast in body text and card date text

Author: kyteinsky

assets/scss/variables.scss

@@ -30,7 +30,7 @@ $defaultTagColors: #fff, #fff, #fff, #fff, #fff;
     --accent-color: #34495e;
     --accent-color-darker: #2c3e50;
     --accent-color-text: #fff;
-    --body-text-color: #bababa;
+    --body-text-color: #5c6f83;
 
     --tag-border-radius: 4px;
 
@@ -65,7 +65,7 @@ $defaultTagColors: #fff, #fff, #fff, #fff, #fff;
 
     --card-text-color-main: #000;
     --card-text-color-secondary: #747474;
-    --card-text-color-tertiary: #bababa;
+    --card-text-color-tertiary: #7e7e7e;
     --card-separator-color: rgba(218, 218, 218, 0.5);
 
     --card-border-radius: 10px;