added install.sh and changed default css

style.css.example

@@ -7,18 +7,18 @@
 window {
   font-size: 13px;
   font-family: "JetBrains Mono";
-  background-color: #191114;
+  background-color: #14140c;
   border-radius: 12px;
 }
 
 #outer-box {
   margin: 16px;
-  background-color: #191114;
+  background-color: #14140c;
   border-radius: 12px;
 }
 
 #inner-box {
-  background-color: #191114;
+  background-color: #14140c;
   border-radius: 12px;
 }
 
@@ -30,17 +30,17 @@ window {
 }
 
 #entry:selected {
-  background-color: #6e334d;
+  background-color: #4c4800;
 }
 
 #entry #text {
   margin: 14px 0 0;
   font-weight: normal;
-  color: #e1bdc9;
+  color: #ccc8a3;
 }
 
 #entry:selected #text {
-  color: #ffb0ce;
+  color: #d0ca74;
 }
 
 #image {
@@ -51,10 +51,10 @@ window {
 #input {
   background: transparent;
   margin: 0 8px 12px;
-  color: #ffb0ce;
+  color: #d0ca74;
   padding: 8px 12px;
   border-radius: 12px;
-  border-bottom: 2px solid #6e334d;
+  border-bottom: 2px solid #4c4800;
 }
 
 #scroll {