breaking changes: 精簡各評論的配置

fix: 修復footer 在部分瀏覽器沒有顯示在底部的 bug
improvement: 修改配置文件註釋

source/css/_global/index.styl

@@ -27,8 +27,8 @@
   --blockquote-bg: $blockquote-background-color
   --reward-pop: $reward-pop-up-bg
   --toc-link-color: $toc-link-color
-  --card-box-shadow: 0 3px 8px 6px rgba(7, 17, 27, .06)
-  --card-hover-box-shadow: 0 3px 8px 6px rgba(7, 17, 27, .15)
+  --card-box-shadow: 0 3px 8px 6px rgba(7, 17, 27, .05)
+  --card-hover-box-shadow: 0 3px 8px 6px rgba(7, 17, 27, .09)
 
 html
   height: 100%

source/css/_layout/head.styl

@@ -9,7 +9,7 @@
 
   // index
   &.full_page
-    min-height: $index_top_img_height
+    height: $index_top_img_height
     background-attachment: fixed
 
     #site-info
@@ -70,7 +70,7 @@
 
   // page
   &.not-home-page
-    min-height: 20rem
+    height: 20rem
 
     +maxWidth768()
       height: 14rem
@@ -86,7 +86,7 @@
 
   // post
   &.post-bg
-    min-height: 20rem
+    height: 20rem
 
     +maxWidth768()
       height: 18rem
@@ -118,7 +118,7 @@
 
   &.not-top-img
     margin-bottom: .5rem
-    min-height: 60px
+    height: 60px
     background: 0
 
     #nav

source/css/_page/common.styl

@@ -1,7 +1,7 @@
 #body-wrap
   display: flex
   flex-direction: column
-  height: 100vh
+  min-height: 100vh
 
 .layout
   display: flex

source/css/var.styl

@@ -33,7 +33,7 @@ $font-color = #1F2D3D
 $rem = 20px
 $text-line-height = 2
 $web-bg = hexo-config('background') && unquote(hexo-config('background'))
-$index_top_img_height = hexo-config('index_top_img_height') ? convert(hexo-config('index_top_img_height')) : 100%
+$index_top_img_height = hexo-config('index_top_img_height') ? convert(hexo-config('index_top_img_height')) : 100vh
 $index_site_info_top = hexo-config('index_site_info_top') ? convert(hexo-config('index_site_info_top')) : 43%
 // Global color & SVG
 $light-blue = $theme-color