diff --git a/src/App.css b/src/App.css
index 06ba9f9..d564b83 100644
--- a/src/App.css
+++ b/src/App.css
@@ -7,17 +7,24 @@ Dark green: #28b485
 
 */
 
-* {
+*,
+*::after,
+*::before {
   margin: 0;
   padding: 0;
-  box-sizing: border-box;
+  box-sizing: inherit;
+}
+
+html {
+  font-size: 62.5%;
 }
 
 body {
   font-family: "Lato", sans-serif;
   font-weight: 400;
-  font-size: 16px;
   line-height: 1.7;
   color: #777;
-  padding: 30px;
+  padding: 3rem;
+
+  box-sizing: border-box;
 }
diff --git a/src/commons/header/header.css b/src/commons/header/header.css
index acb9fee..8c206a0 100644
--- a/src/commons/header/header.css
+++ b/src/commons/header/header.css
@@ -22,12 +22,12 @@
 
 .logo-box {
   position: absolute;
-  top: 40px;
-  left: 40px;
+  top: 4rem;
+  left: 4rem;
 }
 
 .logo {
-  height: 35px;
+  height: 3.5rem;
 }
 
 .heading-primary {
@@ -35,41 +35,35 @@
   text-transform: uppercase;
 
   backface-visibility: hidden;
-  margin-bottom: 60px;
+  margin-bottom: 6rem;
 }
 
 .heading-primary-main {
   display: block;
-  font-size: 60px;
+  font-size: 6rem;
   font-weight: 400;
-  letter-spacing: 35px;
+  letter-spacing: 3.5rem;
 
   animation: moveInLeft 1s ease-out;
 }
 
 .heading-primary-sub {
   display: block;
-  font-size: 20px;
+  font-size: 2rem;
   font-weight: 700;
-  letter-spacing: 17.4px;
+  letter-spacing: 1.75rem;
 
   animation: moveInRight 1s ease-out;
 }
 
-#header-button {
-  animation: moveInBottom 1s ease-out;
-  animation-delay: 2s;
-  opacity: 0;
-}
-
 @keyframes moveInLeft {
   0% {
     opacity: 0;
-    transform: translateX(-100px);
+    transform: translateX(-10rem);
   }
 
   80% {
-    transform: translateX(10px);
+    transform: translateX(1rem);
   }
 
   100% {
@@ -81,23 +75,11 @@
 @keyframes moveInRight {
   0% {
     opacity: 0;
-    transform: translateX(100px);
+    transform: translateX(10rem);
   }
 
   80% {
-    transform: translateX(-10px);
-  }
-
-  100% {
-    opacity: 1;
-    transform: translate(0);
-  }
-}
-
-@keyframes moveInBottom {
-  0% {
-    opacity: 0;
-    transform: translateY(100px);
+    transform: translateX(-1rem);
   }
 
   100% {
diff --git a/src/components/button/button.css b/src/components/button/button.css
index 7165d70..b6f0bf6 100644
--- a/src/components/button/button.css
+++ b/src/components/button/button.css
@@ -2,25 +2,27 @@
 .btn:visited {
   text-transform: uppercase;
   text-decoration: none;
-  padding: 15px 40px;
+  padding: 1.5rem 4rem;
   display: inline-block;
-  border-radius: 100px;
+  border-radius: 10rem;
   transition: all 0.2s;
   position: relative;
+  font-size: 1.6rem;
 }
 
 .move-in-bottom {
-  animation: moveInBottom 1s ease-out;
+  animation: moveInBottom 0.5s ease-out 0.75s;
+  animation-fill-mode: backwards;
 }
 
 .btn:hover {
-  transform: translateY(-3px);
-  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
+  transform: translateY(-0.3rem);
+  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
 }
 
 .btn:active {
-  transform: translateY(-1px);
-  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
+  transform: translateY(-0.1rem);
+  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
 }
 
 .btn-white {
@@ -33,7 +35,7 @@
   display: inline-block;
   height: 100%;
   width: 100%;
-  border-radius: 100px;
+  border-radius: 10rem;
   position: absolute;
   top: 0;
   left: 0;
@@ -53,11 +55,7 @@
 @keyframes moveInBottom {
   0% {
     opacity: 0;
-    transform: translateY(250px);
-  }
-
-  50% {
-    opacity: 0;
+    transform: translateY(10rem);
   }
 
   100% {
diff --git a/src/components/button/button.jsx b/src/components/button/button.jsx
index 0b475c8..f2d886c 100644
--- a/src/components/button/button.jsx
+++ b/src/components/button/button.jsx
@@ -1,16 +1,17 @@
 import "./button.css";
 
 function Button(props) {
+  const { text, animationName, link } = props;
   return (
     <a
       href="#"
       className={
-        props.animationName === "move-in-bottom"
+        animationName === "move-in-bottom"
           ? "btn btn-white move-in-bottom"
           : "btn btn-white"
       }
     >
-      {props.text}
+      {text}
     </a>
   );
 }