VEGA-4759 Адаптация UI шапки портала документации

src/.vitepress/theme/components/CustomButton.vue

@@ -5,7 +5,7 @@ import { EXTERNAL_URL_RE } from 'vitepress/dist/client/shared'
 
 interface Props {
   tag?: string
-  size?: 'medium' | 'big'
+  size?: 'medium' | 'big' | 'small'
   theme?: 'brand' | 'alt' | 'sponsor'
   text: string
   href?: string
@@ -51,6 +51,15 @@ const component = computed(() => {
   transition: color 0.1s, border-color 0.1s, background-color 0.1s;
 }
 
+.VPButton.small {
+  border-radius: 12px;
+  padding: 0 16px;
+  line-height: 20px;
+  height: 40px;
+  font-size: 15px;
+  font-weight: 500;
+}
+
 .VPButton.medium {
   border-radius: 12px;
   padding: 0 20px;