diff --git a/css/btn.css b/css/btn.css
new file mode 100644
index 0000000..93ea066
--- /dev/null
+++ b/css/btn.css
@@ -0,0 +1,145 @@
+@import url("https://fonts.googleapis.com/css?family=Raleway:300");
+
+:root {
+  --btn-border: 1px solid rgba(255, 255, 255, 0.2);
+  --btn-bg: transparent;
+  --btn-shadow: 1px 1px 25px 10px rgba(255, 255, 255, 0.5);
+  --btn-text-color: #f4f4f4;
+
+  --shine-degree: 120deg;
+  --shine-color: rgba(255, 255, 255, 0.2);
+  --shine-effect: linear-gradient(
+    var(--shine-degree),
+    transparent,
+    var(--shine-color),
+    transparent
+  );
+  --shine-transition: all 0.65s ease-in-out;
+}
+
+.btn {
+  position: relative;
+  overflow: hidden;
+  font-size: 1.1rem;
+  padding: 1rem 3rem;
+  border-radius: 4px;
+  text-decoration: none;
+  border: var(--btn-border);
+  color: var(--btn-text-color);
+  background: var(--btn-bg);
+}
+
+.btn:not(:last-child) {
+  margin-bottom: 3rem;
+}
+
+.btn::before {
+  content: "";
+  position: absolute;
+  top: 0;
+  width: 100%;
+  height: 100%;
+  background: var(--shine-effect);
+}
+
+.btn-hover::before {
+  left: -100%;
+  transition: var(--shine-transition);
+}
+
+.btn-hover:hover {
+  box-shadow: var(--btn-shadow);
+}
+
+.btn-hover:hover::before {
+  left: 100%;
+}
+
+.btn-anim::before {
+  animation: shine 5s ease-in-out infinite;
+}
+
+@keyframes shine {
+  0% {
+    left: -100%;
+    transition-property: left;
+  }
+  45%,
+  100% {
+    left: 100%;
+    transition-property: left;
+  }
+}
+
+.btn-alt {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 250px;
+  height: 60px;
+  font-size: 1.1rem;
+  position: relative;
+  overflow: hidden;
+  border-radius: 4px;
+  text-decoration: none;
+  border: var(--btn-border);
+  color: var(--btn-text-color);
+  background: var(--btn-bg);
+}
+
+.btn-alt:not(:last-child) {
+  margin-bottom: 3rem;
+}
+
+.btn-alt::before,
+.btn-alt::after {
+  content: "";
+  display: block;
+  position: absolute;
+  height: 100%;
+  top: 0;
+}
+
+.btn-alt::before {
+  background: rgba(255, 255, 255, 0.5);
+  width: 60px;
+  left: 0;
+  filter: blur(30px);
+  animation: shine-alt1 5s ease-in-out infinite;
+}
+
+.btn-alt::after {
+  background: rgba(255, 255, 255, 0.2);
+  width: 30px;
+  left: 30px;
+  filter: blur(5px);
+  animation: shine-alt2 5s ease-in-out infinite;
+}
+
+@keyframes shine-alt1 {
+  0% {
+    opacity: 0.5;
+    transform: translateX(-100px) skewX(-15deg);
+    transition-property: opacity, transform;
+  }
+  45%,
+  100% {
+    opacity: 0.6;
+    transform: translateX(300px) skewX(-15deg);
+    transition-property: opacity, transform;
+  }
+}
+
+@keyframes shine-alt2 {
+  0% {
+    opacity: 0;
+    transform: translateX(-100px) skewX(-15deg);
+    transition-property: opacity, transform;
+  }
+  45%,
+  100% {
+    opacity: 1;
+    transform: translateX(300px) skewX(-15deg);
+    transition-property: opacity, transform;
+  }
+}