fix: default image, meta, reviews, lesson headers

community/public/css/style.css

@@ -234,6 +234,22 @@ input[type=checkbox] {
   background-repeat: no-repeat;
 }
 
+.default-image {
+  background-color: var(--avatar-frame-bg);
+  color: var(--avatar-frame-color);
+  display: flex;
+  flex-direction: column;
+}
+
+.default-image-text {
+  display: flex;
+  flex: 1;
+  align-self: center;
+  justify-content: normal;
+  font-size: 7rem;
+  font-weight: bold;
+}
+
 .course-tags {
   display: flex;
   position: relative;
@@ -601,7 +617,7 @@ div.custom-checkbox>label>input:checked+img {
 }
 
 .button {
-  box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.13), 0px 0px 0.5px rgba(0, 0, 0, 0.5);
+  box-shadow: var(--btn-shadow);
   border-radius: 6px;
   cursor: pointer;
   display: flex;
@@ -1271,3 +1287,19 @@ pre {
   width: 100%;
   overflow-x: auto;
 }
+
+.markdown-source h1 {
+  font-size: 1.3rem;
+}
+
+.markdown-source h2 {
+  font-size: 1.2rem;
+}
+
+.markdown-source h3 {
+  font-size: 1.1rem;
+}
+
+.markdown-source h4 {
+  font-size: 1rem;
+}