diff --git a/src/assets/main.css b/src/assets/main.css
index 3761cdacd49ff67b17660f9518b6b079e0b16010..3db74811ae6c184a61e69786d46ed5357f42711b 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -14,7 +14,6 @@ body,
 
 #app {
   font-weight: normal;
-  cursor: pointer;
 }
 
 .content {
@@ -67,6 +66,7 @@ input {
   text-align: center;
   line-height: 20px;
   position: relative;
+  cursor: pointer;
 }
 
 .col::after {
diff --git a/src/components/RandomTree.vue b/src/components/RandomTree.vue
index 0c19365ddbe5a50ce4e8e01cd50109affcb79973..a6ecd0a968aa3254ca1b22667211b1429919a4ef 100644
--- a/src/components/RandomTree.vue
+++ b/src/components/RandomTree.vue
@@ -76,7 +76,7 @@ function drawBranch(ctx, v0, thick, len, dir) {
     right: 10px;
     bottom: 10px;
     pointer-events: none;
-    opacity: 0.5;
+    opacity: 0.4;
 }
 
 </style>
\ No newline at end of file