diff --git a/src/css/viewer.css b/src/css/viewer.css
index 0263899..e4aa7d2 100644
--- a/src/css/viewer.css
+++ b/src/css/viewer.css
@@ -217,55 +217,55 @@
 }
 
 .viewer-toolbar {
-  & ul {
+  & > ul {
     display: inline-block;
     margin: 0 auto 5px;
     overflow: hidden;
     padding: 3px 0;
-  }
 
-  & li {
-    background-color: rgba(0, 0, 0, .5);
-    border-radius: 50%;
-    cursor: pointer;
-    float: left;
-    height: 24px;
-    overflow: hidden;
-    transition: background-color .15s;
-    width: 24px;
+    & > li {
+      background-color: rgba(0, 0, 0, .5);
+      border-radius: 50%;
+      cursor: pointer;
+      float: left;
+      height: 24px;
+      overflow: hidden;
+      transition: background-color .15s;
+      width: 24px;
 
-    &:hover {
-      background-color: rgba(0, 0, 0, .8);
+      &:hover {
+        background-color: rgba(0, 0, 0, .8);
+      }
+
+      &::before {
+        margin: 2px;
+      }
+
+      & + li {
+        margin-left: 1px;
+      }
     }
 
-    &::before {
-      margin: 2px;
+    & > .viewer-small {
+      height: 18px;
+      margin-bottom: 3px;
+      margin-top: 3px;
+      width: 18px;
+
+      &::before {
+        margin: -1px;
+      }
     }
 
-    & + li {
-      margin-left: 1px;
-    }
-  }
+    & > .viewer-large {
+      height: 30px;
+      margin-bottom: -3px;
+      margin-top: -3px;
+      width: 30px;
 
-  & .viewer-small {
-    height: 18px;
-    margin-bottom: 3px;
-    margin-top: 3px;
-    width: 18px;
-
-    &::before {
-      margin: -1px;
-    }
-  }
-
-  & .viewer-large {
-    height: 30px;
-    margin-bottom: -3px;
-    margin-top: -3px;
-    width: 30px;
-
-    &::before {
-      margin: 5px;
+      &::before {
+        margin: 5px;
+      }
     }
   }
 }
diff --git a/src/css/viewer.scss b/src/css/viewer.scss
new file mode 100644
index 0000000..3f3965f
--- /dev/null
+++ b/src/css/viewer.scss
@@ -0,0 +1,422 @@
+.viewer {
+ &-zoom-in::before,
+  &-zoom-out::before,
+  &-one-to-one::before,
+  &-reset::before,
+  &-prev::before,
+  &-play::before,
+  &-next::before,
+  &-rotate-left::before,
+  &-rotate-right::before,
+  &-flip-horizontal::before,
+  &-flip-vertical::before,
+  &-fullscreen::before,
+  &-fullscreen-exit::before,
+  &-close::before {
+    background-image: url('../images/icons.png');
+    background-repeat: no-repeat;
+    color: transparent;
+    display: block;
+    font-size: 0;
+    height: 20px;
+    line-height: 0;
+    width: 20px;
+  }
+
+  &-zoom-in::before {
+    background-position: 0 0;
+    content: 'Zoom In';
+  }
+
+  &-zoom-out::before {
+    background-position: -20px 0;
+    content: 'Zoom Out';
+  }
+
+  &-one-to-one::before {
+    background-position: -40px 0;
+    content: 'One to One';
+  }
+
+  &-reset::before {
+    background-position: -60px 0;
+    content: 'Reset';
+  }
+
+  &-prev::before {
+    background-position: -80px 0;
+    content: 'Previous';
+  }
+
+  &-play::before {
+    background-position: -100px 0;
+    content: 'Play';
+  }
+
+  &-next::before {
+    background-position: -120px 0;
+    content: 'Next';
+  }
+
+  &-rotate-left::before {
+    background-position: -140px 0;
+    content: 'Rotate Left';
+  }
+
+  &-rotate-right::before {
+    background-position: -160px 0;
+    content: 'Rotate Right';
+  }
+
+  &-flip-horizontal::before {
+    background-position: -180px 0;
+    content: 'Flip Horizontal';
+  }
+
+  &-flip-vertical::before {
+    background-position: -200px 0;
+    content: 'Flip Vertical';
+  }
+
+  &-fullscreen::before {
+    background-position: -220px 0;
+    content: 'Enter Full Screen';
+  }
+
+  &-fullscreen-exit::before {
+    background-position: -240px 0;
+    content: 'Exit Full Screen';
+  }
+
+  &-close::before {
+    background-position: -260px 0;
+    content: 'Close';
+  }
+
+  &-container {
+    bottom: 0;
+    direction: ltr;
+    font-size: 0;
+    left: 0;
+    line-height: 0;
+    overflow: hidden;
+    position: absolute;
+    right: 0;
+    -webkit-tap-highlight-color: transparent;
+    top: 0;
+    -webkit-touch-callout: none;
+    touch-action: none;
+    user-select: none;
+
+    &::selection,
+    & *::selection {
+      background-color: transparent;
+    }
+
+    & img {
+      display: block;
+      height: auto;
+      max-height: none !important;
+      max-width: none !important;
+      min-height: 0 !important;
+      min-width: 0 !important;
+      width: 100%;
+    }
+  }
+
+  &-canvas {
+    bottom: 0;
+    left: 0;
+    overflow: hidden;
+    position: absolute;
+    right: 0;
+    top: 0;
+
+    & > img {
+      height: auto;
+      margin: 15px auto;
+      max-width: 90% !important;
+      width: auto;
+    }
+  }
+
+  &-footer {
+    bottom: 0;
+    left: 0;
+    overflow: hidden;
+    position: absolute;
+    right: 0;
+    text-align: center;
+  }
+
+  &-navbar {
+    background-color: rgba(0, 0, 0, .5);
+    overflow: hidden;
+  }
+
+  &-list {
+    box-sizing: content-box;
+    height: 50px;
+    margin: 0;
+    overflow: hidden;
+    padding: 1px 0;
+
+    & > li {
+      color: transparent;
+      cursor: pointer;
+      float: left;
+      font-size: 0;
+      height: 50px;
+      line-height: 0;
+      opacity: .5;
+      overflow: hidden;
+      transition: opacity .15s;
+      width: 30px;
+
+      &:hover {
+        opacity: .75;
+      }
+
+      & + li {
+        margin-left: 1px;
+      }
+    }
+
+    & > .viewer-loading {
+      position: relative;
+
+      &::after {
+        border-width: 2px;
+        height: 20px;
+        margin-left: -10px;
+        margin-top: -10px;
+        width: 20px;
+      }
+    }
+
+    & > .viewer-active {
+      &,
+      &:hover {
+        opacity: 1;
+      }
+    }
+  }
+
+  &-player {
+    background-color: #000;
+    bottom: 0;
+    cursor: none;
+    display: none;
+    left: 0;
+    position: absolute;
+    right: 0;
+    top: 0;
+
+    & > img {
+      left: 0;
+      position: absolute;
+      top: 0;
+    }
+  }
+
+  &-toolbar {
+    & > ul {
+      display: inline-block;
+      margin: 0 auto 5px;
+      overflow: hidden;
+      padding: 3px 0;
+
+      & > li {
+        background-color: rgba(0, 0, 0, .5);
+        border-radius: 50%;
+        cursor: pointer;
+        float: left;
+        height: 24px;
+        overflow: hidden;
+        transition: background-color .15s;
+        width: 24px;
+
+        &:hover {
+          background-color: rgba(0, 0, 0, .8);
+        }
+
+        &::before {
+          margin: 2px;
+        }
+
+        & + li {
+          margin-left: 1px;
+        }
+      }
+
+      & > .viewer-small {
+        height: 18px;
+        margin-bottom: 3px;
+        margin-top: 3px;
+        width: 18px;
+
+        &::before {
+          margin: -1px;
+        }
+      }
+
+      & > .viewer-large {
+        height: 30px;
+        margin-bottom: -3px;
+        margin-top: -3px;
+        width: 30px;
+
+        &::before {
+          margin: 5px;
+        }
+      }
+    }
+  }
+
+  &-tooltip {
+    background-color: rgba(0, 0, 0, 0.8);
+    border-radius: 10px;
+    color: #fff;
+    display: none;
+    font-size: 12px;
+    height: 20px;
+    left: 50%;
+    line-height: 20px;
+    margin-left: -25px;
+    margin-top: -10px;
+    position: absolute;
+    text-align: center;
+    top: 50%;
+    width: 50px;
+  }
+
+  &-title {
+    color: #ccc;
+    display: inline-block;
+    font-size: 12px;
+    line-height: 1;
+    margin: 0 5% 5px;
+    max-width: 90%;
+    opacity: .8;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    transition: opacity .15s;
+    white-space: nowrap;
+
+    &:hover {
+      opacity: 1;
+    }
+  }
+
+  &-button {
+    background-color: rgba(0, 0, 0, .5);
+    border-radius: 50%;
+    cursor: pointer;
+    height: 80px;
+    overflow: hidden;
+    position: absolute;
+    right: -40px;
+    top: -40px;
+    transition: background-color .15s;
+    width: 80px;
+
+    &:focus,
+    &:hover {
+      background-color: rgba(0, 0, 0, .8);
+    }
+
+    &::before {
+      bottom: 15px;
+      left: 15px;
+      position: absolute;
+    }
+  }
+
+  &-fixed {
+    position: fixed;
+  }
+
+  &-open {
+    overflow: hidden;
+  }
+
+  &-show {
+    display: block;
+  }
+
+  &-hide {
+    display: none;
+  }
+
+  &-backdrop {
+    background-color: rgba(0, 0, 0, .5);
+  }
+
+  &-invisible {
+    visibility: hidden;
+  }
+
+  &-move {
+    cursor: move;
+    cursor: grab;
+  }
+
+  &-fade {
+    opacity: 0;
+  }
+
+  &-in {
+    opacity: 1;
+  }
+
+  &-transition {
+    transition: all .3s;
+  }
+
+  @keyframes viewer-spinner {
+    0% {
+      transform: rotate(0deg);
+    }
+
+    100% {
+      transform: rotate(360deg);
+    }
+  }
+
+  &-loading {
+    &::after {
+      animation: viewer-spinner 1s linear infinite;
+      border: 4px solid rgba(255, 255, 255, .1);
+      border-left-color: rgba(255, 255, 255, .5);
+      border-radius: 50%;
+      content: '';
+      display: inline-block;
+      height: 40px;
+      left: 50%;
+      margin-left: -20px;
+      margin-top: -20px;
+      position: absolute;
+      top: 50%;
+      width: 40px;
+      z-index: 1;
+    }
+  }
+
+  @media (max-width: 767px) {
+    &-hide-xs-down {
+      display: none;
+    }
+  }
+
+  @media (max-width: 991px) {
+    &-hide-sm-down {
+      display: none;
+    }
+  }
+
+  @media (max-width: 1199px) {
+    &-hide-md-down {
+      display: none;
+    }
+  }
+}
diff --git a/src/index.scss b/src/index.scss
new file mode 100644
index 0000000..b579942
--- /dev/null
+++ b/src/index.scss
@@ -0,0 +1 @@
+@import './css/viewer.scss';