Add base styles

src/ImageCarousel.svelte

@@ -1,10 +1,44 @@
 <script>
-	export let title = 'Hello';
+  /**
+   * Enable Next/Previos arrows
+   */
+	export let arrows = true;
 </script>
 
-<main>
-	<h1>{title}</h1>
-</main>
+<div class="main-container">
+  {#if arrows}
+  <div class="side-container">
+    <span class="clickable">&lt;</span>
+  </div>
+  {/if}
+  <div class="content-container">
+    <slot></slot>
+  </div>
+  {#if arrows}
+  <div class="side-container">
+    <span class="clickable">&gt;</span>
+  </div>
+  {/if}
+</div>
 
 <style>
+  .main-container {
+    display: flex;
+    width: 100%;
+  }
+  .content-container {
+    flex: 1;
+  }
+  .side-container {
+    background-color: cornflowerblue;
+    height: 100%;
+    padding: 5px;
+    box-sizing: border-box;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+  .clickable {
+    cursor: pointer;
+  }
 </style>