Button shortcode redesign: smaller font, resize

assets/_defaults.scss

@@ -9,7 +9,7 @@ $font-size-12: 0.75rem !default;
 $font-size-14: 0.875rem !default;
 $font-size-16: 1rem !default;
 
-$border-radius: 0.15rem !default;
+$border-radius: $padding-4 !default;
 
 // Grayscale
 $white: #ffffff !default;

assets/_main.scss

@@ -181,7 +181,7 @@ ul.pagination {
     padding: $padding-8;
 
     border: 0;
-    border-radius: $padding-4;
+    border-radius: $border-radius;
 
     background: $gray-100;
     color: $body-font-color;

assets/_shortcodes.scss

@@ -85,14 +85,17 @@
 // {{< button >}}
 a.book-btn {
   display: inline-block;
-  color: $color-link !important;
-  text-decoration: none !important;
+  font-size: $font-size-14;
+  color: $color-link;
+  line-height: $padding-16 * 2;
+  padding: 0 $padding-16;
   border: $padding-1 solid $color-link;
   border-radius: $border-radius;
-  padding: $padding-4 $padding-16;
-  margin-top: $padding-8;
-  margin-bottom: $padding-8;
   cursor: pointer;
+
+  &:hover {
+    text-decoration: none;
+  }
 }
 
 // {{< hint >}}