Article blocks style fixes

src/components/Article/Article.module.scss

@@ -57,10 +57,12 @@ img {
     }
   }
 
-  blockquote[data-type='quote'] {
+  blockquote[data-type='quote'],
+  ta-quotation {
     @include font-size(1.4rem);
     border: solid #000;
     border-width: 0 0 0 2px;
+    display: block;
     font-weight: 500;
     line-height: 1.6;
     margin: 1.6rem 0 0 calc(-8.33333% - 2px);
@@ -87,8 +89,12 @@ img {
     }
   }
 
-  *[data-type='incut'] {
+  *[data-type='incut'],
+  ta-sub,
+  ta-selection-frame,
+  ta-border-sub {
     background: #f1f2f3;
+    display: block;
     @include font-size(1.4rem);
     margin: 3.2rem 0;
     padding: 3.2rem;
@@ -120,9 +126,16 @@ img {
     background: #eafff2;
   }
 
-  *[data-bg='white'] {
+  *[data-bg='white'],
+  ta-selection-frame {
     background: #fff;
     box-shadow: 0 0 0 1px #000;
+    display: block;
+  }
+
+  ta-border-sub {
+    box-shadow: 0 0 0 1px #000;
+    display: block;
   }
 
   *[data-float='half-left'] {

src/styles/app.scss

@@ -957,3 +957,9 @@ details {
 iframe {
   border: none;
 }
+
+.lead {
+  @include font-size(2rem);
+  font-weight: bold;
+  line-height: 1.5;
+}