[fix] adapt current title disposition to screen size (closes #57)

static/css/chapter.css

@@ -189,6 +189,33 @@ mark {
 ****************/
 .curr-title {
   float: right;
+  font-size: 0.9rem;
+  text-align: right;
+}
+@media (max-width: 576px) {
+  .curr-title {
+
+  }
+}
+@media (min-width: 577px) and (max-width: 1099px) {
+  .curr-title {
+    width: 30%;
+  }
+}
+@media (min-width: 1100px) and (max-width: 1349px) {
+  .curr-title {
+    width: 40%;
+  }
+}
+@media (min-width: 1350px) and (max-width: 1649px) {
+  .curr-title {
+    width: 50%;
+  }
+}
+@media (min-width: 1650px) {
+  .curr-title {
+    /* width: 100%; */
+  }
 }
 
 /****************