fix border style.

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.0.1
+### Bug fixes
+- border style.
+
 ## 2.0.0
 ### Features
 - Customize the theme color

src/themes/basic/_coverpage.css

@@ -72,7 +72,9 @@ section.cover {
 
   .cover-main p:last-child a {
     border-radius: 2em;
-    border: 1px solid var(--theme-color, $color-primary);
+    border-width: 1px;
+    border-style:  solid;
+    border-width: var(--theme-color, $color-primary);
     box-sizing: border-box;
     color: var(--theme-color, $color-primary);
     font-size: 1.05em;

src/themes/basic/_layout.css

@@ -103,7 +103,9 @@ nav {
     ul {
       border-radius: 2px;
       background-color: rgba($color-bg, .6);
-      border: 1px solid var(--theme-color, $color-primary);
+      border-width: 1px;
+      border-style: solid;
+      border-color: var(--theme-color, $color-primary);
       opacity: 0;
       overflow: hidden;
       padding: 0;