frontend: move style properties to components

frontend/src/lib/components/img_button.svelte

@@ -4,4 +4,44 @@
 
 <div class="imgbutton {style}">
     <img src={image} alt={name}>
-</div>
+</div>
+
+<style>
+    /* Кнопка с изображением */
+    .imgbutton {
+        height: 100%;
+        display: flex;
+        flex-direction: column;
+        margin: 0;
+        align-content: center;
+        text-align: center;
+        font-size: small;
+        padding: 0.5rem;
+    }
+
+    .imgbutton img {
+        margin-left: auto;
+        margin-right: auto;
+        width: 2rem;
+    }
+    
+    .imgbutton {
+        color: white;
+    }
+
+    .remove {
+        background-color: #FC1F1C;
+    }
+
+    .remove:hover {
+        background-color: #d32522;
+    }
+
+    .edit {
+        background-color: #1BC304;
+    }
+
+    .edit:hover {
+        background-color: #1c9d0b;
+    }
+</style>