diff --git a/readme.md b/readme.md
index d2eb319ba..3b0b05c21 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 # Frontend practice with catalog page and hovers
 Replace `<your_account>` with your Github username and copy the links to Pull Request description:
-- [DEMO LINK](https://<your_account>.github.io/layout_catalog_hovers/)
+- [DEMO LINK](https://Luk2asz.github.io/layout_catalog_hovers/)
 
 > Follow [this instructions](https://github.com/mate-academy/layout_task-guideline#how-to-solve-the-layout-tasks-on-github)
 
diff --git a/src/styles/blocks/catalog.scss b/src/styles/blocks/catalog.scss
index ffb6b2ccc..555074d60 100644
--- a/src/styles/blocks/catalog.scss
+++ b/src/styles/blocks/catalog.scss
@@ -17,9 +17,15 @@
     border: 1px solid #ccc;
     border-radius: 5px;
     margin-bottom: 48px;
+    transition: color $transition-time, transform $transition-time;
 
     &:not(:nth-child(4n)) {
       margin-right: 48px;
     }
+
+    &:hover {
+      transform: scale(1.2);
+      color: #34568b;
+    }
   }
 }
diff --git a/src/styles/blocks/header.scss b/src/styles/blocks/header.scss
index 638a10fef..fea987972 100644
--- a/src/styles/blocks/header.scss
+++ b/src/styles/blocks/header.scss
@@ -26,10 +26,15 @@
     color: #060b35;
     list-style: none;
     line-height: 60px;
+    transition: color $transition-time;
 
     &:not(:last-child) {
       margin-right: 20px;
     }
+
+    &:hover {
+      color: #00acdc;
+    }
   }
 
   &__link {
diff --git a/src/styles/main.scss b/src/styles/main.scss
index 465a8cb4a..0a631cba1 100644
--- a/src/styles/main.scss
+++ b/src/styles/main.scss
@@ -1,3 +1,4 @@
+@import "utils/variables.scss";
 @import "blocks/page";
 @import "blocks/header";
 @import "blocks/catalog";
diff --git a/src/styles/utils/variables.scss b/src/styles/utils/variables.scss
new file mode 100644
index 000000000..c1fd92ec5
--- /dev/null
+++ b/src/styles/utils/variables.scss
@@ -0,0 +1 @@
+$transition-time: 0.3s;