fixed summary, fix dot dot title on filtred, fixed breadcrumb translation

assets/dist/main.css

@@ -775,7 +775,8 @@ header {
     margin: 0 0 0 70px; }
 
 main#content {
-  margin-top: 5em; }
+  margin-top: 5em;
+  margin-bottom: 3em; }
   main#content section.part {
     position: relative;
     margin-bottom: 2em; }
@@ -785,13 +786,18 @@ section.intro {
 
 h1.part-title {
   font-size: 1.8em;
-  margin: 0 0 0 70px;
-  padding-bottom: 0.5em;
+  margin: 0 0 0.3em 70px;
+  padding: 0.5em 0 0.2em;
   font-weight: normal;
-  letter-spacing: 0.3em; }
+  letter-spacing: 0.3em;
+  display: inline-block;
+  border-bottom: 1px solid black;
+  white-space: nowrap; }
   h1.part-title em {
     font-size: 0.7em;
     letter-spacing: normal; }
+  h1.part-title > em:first-of-type {
+    display: block; }
 
 h2.title {
   font-size: 1.2em;
@@ -921,6 +927,7 @@ main#content.mode-text .opened-link .close-link-btn {
   border: 1px solid white;
   width: 550px; }
   .dot > span.title {
+    text-transform: capitalize;
     padding: 0 0.6em 0 0; }
   .dot.opened > span.title {
     display: block; }
@@ -931,6 +938,11 @@ main#content.mode-text .opened-link .close-link-btn {
     opacity: 0;
     transition: opacity 0.4s ease-in-out;
     max-width: 475px; }
+    .dot > p.summary a {
+      color: inherit;
+      text-decoration: none;
+      font-weight: bold;
+      pointer-events: none; }
   .dot.preface .title {
     display: none; }
   .dot.preface p.summary {
@@ -1015,6 +1027,7 @@ main#content.mode-text .opened-link .close-link-btn {
     font-size: 16px; }
 
 footer {
+  height: 3em;
   position: fixed;
   bottom: 0;
   background-color: white;