diff --git a/gallery/api.py b/gallery/api.py
index ee29111..84707b1 100644
--- a/gallery/api.py
+++ b/gallery/api.py
@@ -225,19 +225,24 @@ def modify_group():
     """
     Changes the images in a group
     """
-    group_id = request.form['group_id']
-    image_id = request.form['images']
-    action = request.form['action']
+    group_id = request.form['group']
+    image_id = request.form['image']
     
-    if action == 'add':
-        # Check if image is already in group
+    group = db_session.query(db.Groups).filter_by(id=group_id).first()
+
+    if group is None:
+        abort(404)
+    elif group.author_id != g.user.id:
+        abort(403)
+
+    if request.form['action'] == 'add':
         if db_session.query(db.GroupJunction).filter_by(group_id=group_id, post_id=image_id).first() is None:
             db_session.add(db.GroupJunction(group_id=group_id, post_id=image_id, date_added=dt.utcnow()))
-            db_session.commit()
-    elif action == 'remove':
+    elif request.form['action'] == 'remove':
         db_session.query(db.GroupJunction).filter_by(group_id=group_id, post_id=image_id).delete()
-        db_session.commit()
         
+    db_session.commit()
+    
     return ':3'
 
 
diff --git a/gallery/static/js/main.js b/gallery/static/js/main.js
index d601b6c..1f1cb62 100644
--- a/gallery/static/js/main.js
+++ b/gallery/static/js/main.js
@@ -4,10 +4,19 @@ function imgFade(obj, time = 250) {
 }
 // https://stackoverflow.com/questions/3942878/how-to-decide-font-color-in-white-or-black-depending-on-background-color
 function colourContrast(bgColor, lightColor, darkColor, threshold = 0.179) {
-    var color = (bgColor.charAt(0) === '#') ? bgColor.substring(1, 7) : bgColor;
-    var r = parseInt(color.substring(0, 2), 16); // hexToR
-    var g = parseInt(color.substring(2, 4), 16); // hexToG
-    var b = parseInt(color.substring(4, 6), 16); // hexToB
+    // if color is in hex format then convert to rgb else parese rgb
+    if (bgColor.charAt(0) === '#') {
+        var color = (bgColor.charAt(0) === '#') ? bgColor.substring(1, 7) : bgColor;
+        var r = parseInt(color.substring(0, 2), 16); // hexToR
+        var g = parseInt(color.substring(2, 4), 16); // hexToG
+        var b = parseInt(color.substring(4, 6), 16); // hexToB
+    } else {
+        var color = bgColor.replace('rgb(', '').replace(')', '').split(',');
+        var r = color[0];
+        var g = color[1];
+        var b = color[2];
+    }
+    
     var uicolors = [r / 255, g / 255, b / 255];
     var c = uicolors.map((col) => {
         if (col <= 0.03928) {
@@ -285,8 +294,9 @@ window.onload = function () {
     const lightColor = '#E8E3E3';
     let contrastCheck = document.querySelectorAll('#contrast-check');
     for (let i = 0; i < contrastCheck.length; i++) {
+        console.log(contrastCheck[i].getAttribute('data-color'));
         bgColor = contrastCheck[i].getAttribute('data-color');
-        contrastCheck[i].style.color = colourContrast(bgColor, lightColor, darkColor, 0.9);
+        contrastCheck[i].style.color = colourContrast(bgColor, lightColor, darkColor);
     }
 
     let times = document.querySelectorAll('.time');
diff --git a/gallery/templates/groups/group.html b/gallery/templates/groups/group.html
index 24b2a75..c972a3e 100644
--- a/gallery/templates/groups/group.html
+++ b/gallery/templates/groups/group.html
@@ -14,20 +14,25 @@
                 class="banner-filter"
                 style="background: linear-gradient(to right, rgb({{ images.0.image_colours.0.0 }}, {{ images.0.image_colours.0.1 }}, {{ images.0.image_colours.0.2 }}), transparent)"
             ></span>
+            <div class="banner-content">
+                <p><span id="contrast-check" data-color="rgb({{ images.0.image_colours.0.0 }}, {{ images.0.image_colours.0.1 }}, {{ images.0.image_colours.0.2 }})">{{ group.description }}</span></p>
+                <h1><span id="contrast-check" data-color="rgb({{ images.0.image_colours.0.0 }}, {{ images.0.image_colours.0.1 }}, {{ images.0.image_colours.0.2 }})">{{ group.name }}</span></h1>
+                <p><span id="contrast-check" data-color="rgb({{ images.0.image_colours.0.0 }}, {{ images.0.image_colours.0.1 }}, {{ images.0.image_colours.0.2 }})">{{ images|length }} Images</span></p>
+            </div>
         {% else %}
             <img src="{{ url_for('static', filename='images/bg.svg') }}" onload="imgFade(this)" style="opacity:0;"/>
             <span></span>
+            <div class="banner-content">
+                <p>{{ group.description }}</p>
+                <h1>{{ group.name }}</h1>
+                <p>{{ images|length }} Images</p>
+            </div>
         {% endif %}
-        <div class="banner-content">
-            <p>{{ group.description }}</p>
-            <h1>{{ group.name }}</h1>
-            <p>{{ images|length }} Images</p>
-        </div>
     </div>
 
-    <form action="/api/group/modify" method="post" enctype="multipart/form-data">
-        <input type="text" name="group_id" placeholder="group id" value="{{ group.id }}">
-        <input type="text" name="images" placeholder="image id">
+    <form id="modifyGroup">
+        <input type="text" name="group" placeholder="group id" value="{{ group.id }}">
+        <input type="text" name="image" placeholder="image id">
         <input type="text" name="action" placeholder="add/remove" value="add">
         <button type="submit">Submit</button>
     </form>
@@ -36,9 +41,9 @@
         <div class="gallery-grid">
             {% for image in images %}
                 <a id="image-{{ image.id }}" class="gallery-item" href="{{ url_for('group.group_post', group_id=group.id, image_id=image.id) }}" style="background-color: rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }})">
-                    <span>
+                    <span class="image-filter" style="background: linear-gradient(to top, rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }}), transparent)">
                         <p></p>
-                        <h2><span class="time">{{ image.created_at }}</span></h2>
+                        <h2><span id="contrast-check" data-color="rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }})"><span class="time">{{ image.created_at }}</span></span></h2>
                     </span>
                     <img data-src="{{ image.file_name }}" onload="imgFade(this)" style="opacity:0;" id="lazy-load"/>
                 </a>
@@ -57,5 +62,30 @@
 {% endblock %}
 
 {% block script %}
-    <script></script>
+    <script>
+        // /api/group/modify
+
+        modForm = document.querySelector('#modifyGroup');
+
+        modForm.addEventListener('submit', function (event) {
+            event.preventDefault();
+
+            const formData = new FormData();
+
+            formData.append('group', modForm.group.value);
+            formData.append('image', modForm.image.value);
+            formData.append('action', modForm.action.value);
+
+            $.ajax({
+                url: '/api/group/modify',
+                type: 'POST',
+                data: formData,
+                processData: false,
+                contentType: false,
+                success: function (data) {
+                    addNotification('Image added to group', 1);
+                }
+            })
+        })
+    </script>
 {% endblock %}
\ No newline at end of file
diff --git a/gallery/templates/groups/list.html b/gallery/templates/groups/list.html
index a1eea16..9862338 100644
--- a/gallery/templates/groups/list.html
+++ b/gallery/templates/groups/list.html
@@ -24,7 +24,8 @@
         <div class="gallery-grid">
             {% for group in groups %}
                 <a id="group-{{ group.id }}" class="gallery-item" href="{{ url_for('group.group', group_id=group.id) }}">
-                    <span>
+                    <span class="image-filter">
+                        <p></p>
                         <h2>{{ group.name }}</h2>
                     </span>
                     {% if group.thumbnail %}
diff --git a/gallery/templates/index.html b/gallery/templates/index.html
index d7450bb..80932f4 100644
--- a/gallery/templates/index.html
+++ b/gallery/templates/index.html
@@ -18,9 +18,9 @@
         <div class="gallery-grid">
             {% for image in images %}
                 <a id="image-{{ image.id }}" class="gallery-item" href="/image/{{ image.id }}" style="background-color: rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }})">
-                    <span>
+                    <span class="image-filter" style="background: linear-gradient(to top, rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }}), transparent)">
                         <p></p>
-                        <h2><span class="time">{{ image.created_at }}</span></h2>
+                        <h2><span id="contrast-check" data-color="rgb({{ image.image_colours.0.0 }}, {{ image.image_colours.0.1 }}, {{ image.image_colours.0.2 }})"><span class="time">{{ image.created_at }}</span></span></h2>
                     </span>
                     <img data-src="{{ image.file_name }}" onload="imgFade(this)" style="opacity:0;" id="lazy-load"/>
                 </a>
diff --git a/gallery/templates/layout.html b/gallery/templates/layout.html
index 579c3cb..6fec1aa 100644
--- a/gallery/templates/layout.html
+++ b/gallery/templates/layout.html
@@ -14,9 +14,7 @@
 <body>
     <div class="notifications"></div>
 
-    <svg class="jumpUp" xmlns="http://www.w3.org/2000/svg" viewBox="-2 -2 24 24" fill="currentColor">
-        <path d="M11 8.414V14a1 1 0 0 1-2 0V8.414L6.464 10.95A1 1 0 1 1 5.05 9.536l4.243-4.243a.997.997 0 0 1 1.414 0l4.243 4.243a1 1 0 1 1-1.414 1.414L11 8.414zM10 20C4.477 20 0 15.523 0 10S4.477 0 10 0s10 4.477 10 10-4.477 10-10 10zm0-2a8 8 0 1 0 0-16 8 8 0 0 0 0 16z"></path>
-    </svg>
+    <svg class="jumpUp"  xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="currentColor" viewBox="0 0 256 256"><path d="M224,120H176v88a8,8,0,0,1-8,8H88a8,8,0,0,1-8-8V120H32l96-96Z" opacity="0.2"></path><path d="M229.66,114.34l-96-96a8,8,0,0,0-11.32,0l-96,96A8,8,0,0,0,32,128H72v80a16,16,0,0,0,16,16h80a16,16,0,0,0,16-16V128h40a8,8,0,0,0,5.66-13.66ZM176,112a8,8,0,0,0-8,8v88H88V120a8,8,0,0,0-8-8H51.31L128,35.31,204.69,112Z"></path></svg>
 
     <div class="pop-up">
         <span class="pop-up__click-off" onclick="popupDissmiss()"></span>
diff --git a/gallery/themes/default/components/buttons/jumpUp.sass b/gallery/themes/default/components/buttons/jumpUp.sass
index 05b118e..5ce4663 100644
--- a/gallery/themes/default/components/buttons/jumpUp.sass
+++ b/gallery/themes/default/components/buttons/jumpUp.sass
@@ -1,6 +1,6 @@
 .jumpUp
     margin: 0
-    padding: 0.5rem
+    padding: 0.55rem
 
     width: 2.5rem
     height: 2.5rem
diff --git a/gallery/themes/default/components/gallery.sass b/gallery/themes/default/components/gallery.sass
index 8702568..59abde1 100644
--- a/gallery/themes/default/components/gallery.sass
+++ b/gallery/themes/default/components/gallery.sass
@@ -21,7 +21,7 @@
     box-sizing: border-box
     overflow: hidden
 
-    span
+    .image-filter
         margin: 0
         padding: 0.5rem
 
@@ -30,7 +30,7 @@
 
         position: absolute
         left: 0
-        bottom: 0
+        bottom: -1rem
 
         display: flex
         flex-direction: column
@@ -79,15 +79,13 @@
         height: 100%
 
         position: absolute
-        top: 0
-        left: 0
-        right: 0
-        bottom: 0
+        inset: 0
 
         object-fit: cover
         object-position: center
 
         background-color: $white
+        transform: scale(1.05)
 
         transition: all 0.3s cubic-bezier(.79, .14, .15, .86)
 
@@ -98,6 +96,7 @@
 
     &:hover
         span
+            bottom: 0
             opacity: 1
             transform: scale(1)
 
@@ -105,7 +104,7 @@
                 opacity: 1
 
         img
-            transform: scale(1.05)
+            transform: scale(1)
             
 @media (max-width: 800px)
     .gallery-grid