feat(ui): redesign the pagination button on home page

_includes/post-paginator.html

@@ -1,6 +1,7 @@
 <!-- The paginator for post list on HomgPage. -->
 
-<ul class="pagination align-items-center mt-4 mb-1 ps-lg-2">
+<nav aria-label="Page Navigation">
+  <ul class="pagination align-items-center mt-4 mb-0">
     <!-- left arrow -->
     {% if paginator.previous_page %}
       {% assign prev_url = paginator.previous_page_path | relative_url %}
@@ -9,7 +10,7 @@
     {% endif %}
 
     <li class="page-item {% unless paginator.previous_page %}disabled{% endunless %}">
-    <a class="page-link btn-box-shadow" href="{{ prev_url }}" aria-label="previous-page">
+      <a class="page-link" href="{{ prev_url }}" aria-label="previous-page">
         <i class="fas fa-angle-left"></i>
       </a>
     </li>
@@ -45,7 +46,7 @@
         <!-- show number -->
         <li class="page-item {% if i == paginator.page %} active{% endif %}">
           <a
-          class="page-link btn-box-shadow"
+            class="page-link"
             href="{% if i > 1 %}{{ site.paginate_path | replace: ':num', i | relative_url }}{% else %}{{ '/' | relative_url }}{% endif %}"
           >
             {{- i -}}
@@ -55,12 +56,12 @@
         <!-- hide number -->
         {% if i < pre and left_ellipsis == false %}
           <li class="page-item disabled">
-          <span class="page-link btn-box-shadow">...</span>
+            <span class="page-link">...</span>
           </li>
           {% assign left_ellipsis = true %}
         {% elsif i > next and right_ellipsis == false %}
           <li class="page-item disabled">
-          <span class="page-link btn-box-shadow">...</span>
+            <span class="page-link">...</span>
           </li>
           {% assign right_ellipsis = true %}
         {% endif %}
@@ -81,9 +82,10 @@
     {% endif %}
 
     <li class="page-item {% unless paginator.next_page_path %}disabled{% endunless %}">
-    <a class="page-link btn-box-shadow" href="{{ next_url }}" aria-label="next-page">
+      <a class="page-link" href="{{ next_url }}" aria-label="next-page">
         <i class="fas fa-angle-right"></i>
       </a>
     </li>
-</ul>
+  </ul>
+</nav>
 <!-- .pagination -->

_sass/addon/commons.scss

@@ -604,7 +604,7 @@ i {
 }
 
 .btn-box-shadow {
-  box-shadow: 0 0 8px 0 var(--btn-box-shadow) !important;
+  box-shadow: var(--card-shadow);
 }
 
 /* overwrite bootstrap muted */

_sass/colors/typography-dark.scss

@@ -17,10 +17,10 @@
   --blockquote-text-color: #868686;
   --link-color: rgb(138, 180, 248);
   --link-underline-color: rgb(82, 108, 150);
-  --button-bg: rgb(39, 40, 43);
-  --btn-border-color: rgb(63, 65, 68);
+  --button-bg: #1e1e1e;
+  --btn-border-color: #2e2f31;
   --btn-backtotop-color: var(--text-color);
-  --btn-backtotop-border-color: var(--btn-border-color);
+  --btn-backtotop-border-color: #212122;
   --btn-box-shadow: var(--main-bg);
   --card-header-bg: #292929;
   --checkbox-color: rgb(118, 120, 121);
@@ -55,9 +55,7 @@
   /* Home page */
   --post-list-text-color: rgb(175, 176, 177);
   --btn-patinator-text-color: var(--text-color);
-  --btn-paginator-hover-color: rgb(64, 65, 66);
-  --btn-paginator-border-color: var(--btn-border-color);
-  --btn-text-color: var(--text-color);
+  --btn-paginator-hover-color: #2e2e2e;
 
   /* Posts */
   --toc-highlight: rgb(116, 178, 243);

_sass/colors/typography-light.scss

@@ -59,8 +59,6 @@
   --post-list-text-color: dimgray;
   --btn-patinator-text-color: #555555;
   --btn-paginator-hover-color: var(--sidebar-bg);
-  --btn-paginator-border-color: var(--sidebar-bg);
-  --btn-text-color: #676666;
 
   /* Posts */
   --toc-highlight: #0550ae;

_sass/layout/home.scss

@@ -89,8 +89,9 @@
 } /* #post-list */
 
 .pagination {
-  color: var(--btn-patinator-text-color);
+  color: var(--text-color);
   font-family: Lato, sans-serif;
+  justify-content: space-evenly;
 
   a:hover {
     text-decoration: none;
@@ -98,26 +99,27 @@
 
   .page-item {
     .page-link {
-      color: inherit;
-      width: 2.5rem;
-      height: 2.5rem;
-      padding: 0;
+      color: var(--btn-patinator-text-color);
+      padding: 0 0.6rem;
       display: -webkit-box;
       -webkit-box-pack: center;
       -webkit-box-align: center;
-      border-radius: 50%;
-      border: 1px solid var(--btn-paginator-border-color);
-      background-color: var(--button-bg);
-
-      &:hover {
-        background-color: var(--btn-paginator-hover-color);
-      }
+      border-radius: 0.5rem;
+      border: 0;
+      background-color: inherit;
     }
 
     &.active {
       .page-link {
         background-color: var(--btn-paginator-hover-color);
-        color: var(--btn-text-color);
+      }
+    }
+
+    &:not(.active) {
+      .page-link {
+        &:hover {
+          box-shadow: inset var(--btn-border-color) 0 0 0 1px;
+        }
       }
     }
 
@@ -126,15 +128,8 @@
 
       .page-link {
         color: rgba(108, 117, 125, 0.57);
-        border-color: var(--btn-paginator-border-color);
-        background-color: var(--button-bg);
       }
     }
-
-    &:first-child .page-link,
-    &:last-child .page-link {
-      border-radius: 50%;
-    }
   } /* .page-item */
 } /* .pagination */
 
@@ -175,8 +170,6 @@
 /* Hide SideBar and TOC */
 @media all and (max-width: 830px) {
   .pagination {
-    justify-content: space-evenly;
-
     .page-item {
       &:not(:first-child):not(:last-child) {
         display: none;
@@ -193,16 +186,12 @@
 
   .pagination {
     font-size: 0.85rem;
+    justify-content: center;
 
     .page-item {
       &:not(:last-child) {
         margin-right: 0.7rem;
       }
-
-      .page-link {
-        width: 2rem;
-        height: 2rem;
-      }
     }
 
     .page-index {