diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/assets/img/poster.png" "b/\354\244\200\354\204\234/CustomVideoPlayer/assets/img/poster.png"
new file mode 100644
index 0000000..a0d1413
Binary files /dev/null and "b/\354\244\200\354\204\234/CustomVideoPlayer/assets/img/poster.png" differ
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/assets/video/gone.mp4" "b/\354\244\200\354\204\234/CustomVideoPlayer/assets/video/gone.mp4"
new file mode 100644
index 0000000..2e84739
Binary files /dev/null and "b/\354\244\200\354\204\234/CustomVideoPlayer/assets/video/gone.mp4" differ
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/css/progress.css" "b/\354\244\200\354\204\234/CustomVideoPlayer/css/progress.css"
new file mode 100644
index 0000000..a00d259
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/css/progress.css"
@@ -0,0 +1,112 @@
+/* SOURCE: https://css-tricks.com/styling-cross-browser-compatible-range-inputs-css/ */
+
+input[type="range"] {
+  -webkit-appearance: none; /* Hides the slider so that custom slider can be made */
+  width: 100%; /* Specific width is required for Firefox. */
+  background: transparent; /* Otherwise white in Chrome */
+}
+
+input[type="range"]::-webkit-slider-thumb {
+  -webkit-appearance: none;
+}
+
+input[type="range"]:focus {
+  outline: none; /* Removes the blue border. You should probably do some kind of focus styling for accessibility reasons though. */
+}
+
+input[type="range"]::-ms-track {
+  width: 100%;
+  cursor: pointer;
+
+  /* Hides the slider so custom styles can be added */
+  background: transparent;
+  border-color: transparent;
+  color: transparent;
+}
+
+/* Special styling for WebKit/Blink */
+input[type="range"]::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  border: 1px solid #000000;
+  height: 36px;
+  width: 16px;
+  border-radius: 3px;
+  background: #ffffff;
+  cursor: pointer;
+  margin-top: -14px; /* You need to specify a margin in Chrome, but in Firefox and IE it is automatic */
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d; /* Add cool effects to your sliders! */
+}
+
+/* All the same stuff for Firefox */
+input[type="range"]::-moz-range-thumb {
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+  border: 1px solid #000000;
+  height: 36px;
+  width: 16px;
+  border-radius: 3px;
+  background: #ffffff;
+  cursor: pointer;
+}
+
+/* All the same stuff for IE */
+input[type="range"]::-ms-thumb {
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+  border: 1px solid #000000;
+  height: 36px;
+  width: 16px;
+  border-radius: 3px;
+  background: #ffffff;
+  cursor: pointer;
+}
+
+input[type="range"]::-webkit-slider-runnable-track {
+  width: 100%;
+  height: 8.4px;
+  cursor: pointer;
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+  background: #3071a9;
+  border-radius: 1.3px;
+  border: 0.2px solid #010101;
+}
+
+input[type="range"]:focus::-webkit-slider-runnable-track {
+  background: #367ebd;
+}
+
+input[type="range"]::-moz-range-track {
+  width: 100%;
+  height: 8.4px;
+  cursor: pointer;
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+  background: #3071a9;
+  border-radius: 1.3px;
+  border: 0.2px solid #010101;
+}
+
+input[type="range"]::-ms-track {
+  width: 100%;
+  height: 8.4px;
+  cursor: pointer;
+  background: transparent;
+  border-color: transparent;
+  border-width: 16px 0;
+  color: transparent;
+}
+input[type="range"]::-ms-fill-lower {
+  background: #2a6495;
+  border: 0.2px solid #010101;
+  border-radius: 2.6px;
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+}
+input[type="range"]:focus::-ms-fill-lower {
+  background: #3071a9;
+}
+input[type="range"]::-ms-fill-upper {
+  background: #3071a9;
+  border: 0.2px solid #010101;
+  border-radius: 2.6px;
+  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
+}
+input[type="range"]:focus::-ms-fill-upper {
+  background: #367ebd;
+}
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/css/style.css" "b/\354\244\200\354\204\234/CustomVideoPlayer/css/style.css"
new file mode 100644
index 0000000..bcf6c76
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/css/style.css"
@@ -0,0 +1,82 @@
+@import url("https://fonts.googleapis.com/css?family=Questrial&display=swap");
+
+* {
+  box-sizing: border-box;
+}
+
+body {
+  font-family: "Questrial", sans-serif;
+
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+
+  max-height: 100vh;
+
+  margin: 0;
+
+  background-color: #666;
+}
+
+h1 {
+  color: #fff;
+}
+
+.screen {
+  cursor: pointer;
+
+  width: 50%;
+
+  background-color: #000 !important;
+  border-top-left-radius: 10px;
+  border-top-right-radius: 10px;
+}
+
+.controls {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+
+  width: 50%;
+
+  padding: 10px;
+
+  color: #fff;
+
+  background-color: #333;
+  border-bottom-left-radius: 10px;
+  border-bottom-right-radius: 10px;
+}
+
+.controls .btn {
+  cursor: pointer;
+
+  border: 0;
+  background-color: transparent;
+}
+
+.controls .fa-play {
+  color: #28a745;
+}
+
+.controls .fa-stop {
+  color: #dc3545;
+}
+
+.controls .fa-pause {
+  color: #fff;
+}
+
+.controls .timestamp {
+  color: #fff;
+  font-weight: bold;
+  margin-left: 10px;
+}
+
+@media (max-width: 800px) {
+  .screen,
+  .controls {
+    width: 90%;
+  }
+}
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/index.html" "b/\354\244\200\354\204\234/CustomVideoPlayer/index.html"
new file mode 100644
index 0000000..ba28f0c
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/index.html"
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <title>Custom Video Player</title>
+    <link
+      href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"
+      rel="stylesheet"
+      integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN"
+      crossorigin="anonymous"
+    />
+    <link rel="stylesheet" href="css/progress.css" />
+    <link rel="stylesheet" href="css/style.css" />
+  </head>
+  <body>
+    <h1>Custom Video Player</h1>
+    <video
+      src="assets/video/gone.mp4"
+      id="video"
+      class="screen"
+      poster="assets/img/poster.png"
+    ></video>
+    <div class="controls">
+      <button class="btn" id="play">
+        <i class="fa fa-play fa-2x"></i>
+      </button>
+      <button class="btn" id="stop">
+        <i class="fa fa-stop fa-2x"></i>
+      </button>
+      <input
+        type="range"
+        id="progress"
+        class="progress"
+        min="0"
+        max="100"
+        step="0.1"
+        value="0"
+      />
+      <span class="timestamp" id="timestamp">00:00</span>
+    </div>
+
+    <script type="module" src="./src/app.js"></script>
+  </body>
+</html>
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/src/app.js" "b/\354\244\200\354\204\234/CustomVideoPlayer/src/app.js"
new file mode 100644
index 0000000..d08541b
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/src/app.js"
@@ -0,0 +1,57 @@
+import $ from "./lib/util/dom.js";
+import setTime from "./lib/util/setTime.js";
+
+const $video = $("#video");
+const $playButton = $("#play");
+const $stopButton = $("#stop");
+const $progress = $("#progress");
+const $timeStamp = $("#timestamp");
+
+const toggleVideoStatus = () => {
+  if ($video.paused) {
+    $video.play();
+    return;
+  }
+  $video.pause();
+};
+
+const updatePlayIcon = () => {
+  if ($video.paused) {
+    $playButton.innerHTML = '<i class="fa fa-play fa-2x"></i>';
+    return;
+  }
+  $playButton.innerHTML = '<i class="fa fa-pause fa-2x"></i>';
+};
+
+const updateProgress = () => {
+  $progress.value = ($video.currentTime / $video.duration) * 100;
+
+  const minutes = setTime(Math.floor($video.currentTime / 60));
+  const seconds = setTime(Math.floor($video.currentTime % 60));
+
+  $timeStamp.innerHTML = `${minutes}:${seconds}`;
+};
+
+const setVideoProgress = () => {
+  $video.currentTime = (Number($progress.value) * $video.duration) / 100;
+};
+
+const stopVideo = () => {
+  $video.currentTime = 0;
+  $video.pause();
+};
+
+const init = () => {
+  $video.addEventListener("click", toggleVideoStatus);
+  $video.addEventListener("pause", updatePlayIcon);
+  $video.addEventListener("play", updatePlayIcon);
+  $video.addEventListener("timeupdate", updateProgress);
+
+  $playButton.addEventListener("click", toggleVideoStatus);
+
+  $stopButton.addEventListener("click", stopVideo);
+
+  $progress.addEventListener("change", setVideoProgress);
+};
+
+init();
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/dom.js" "b/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/dom.js"
new file mode 100644
index 0000000..5e538a1
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/dom.js"
@@ -0,0 +1,3 @@
+const $ = (selector) => document.querySelector(selector);
+
+export default $;
diff --git "a/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/setTime.js" "b/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/setTime.js"
new file mode 100644
index 0000000..0ec6418
--- /dev/null
+++ "b/\354\244\200\354\204\234/CustomVideoPlayer/src/lib/util/setTime.js"
@@ -0,0 +1,3 @@
+const setTime = (time) => (time < 10 ? `0${time}` : time);
+
+export default setTime;