diff --git a/web-frontend/public/grid.html b/web-frontend/public/grid.html
index 8af02b57c..d37ea858c 100644
--- a/web-frontend/public/grid.html
+++ b/web-frontend/public/grid.html
@@ -31,7 +31,122 @@
                 </ul>
             </div>
             <div class="layout-col-2 sidebar">
-                sidebar
+                <div class="sidebar-content">
+                    <div class="sidebar-title">Baserow</div>
+                    <div class="sidebar-group-title">Group name 1</div>
+                    <ul class="tree">
+                        <li class="tree-item">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-database"></i>
+                                    Vehicles
+                                </a>
+                                <a href="#" class="tree-options">
+                                    <i class="fas fa-ellipsis-v"></i>
+                                </a>
+                            </div>
+                        </li>
+                        <li class="tree-item">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-angle-right"></i>
+                                    Map nummer 1
+                                </a>
+                            </div>
+                        </li>
+                        <li class="tree-item active">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-database"></i>
+                                    Webshop
+                                </a>
+                                <a href="#" class="tree-options">
+                                    <i class="fas fa-ellipsis-v"></i>
+                                </a>
+                            </div>
+                            <ul class="tree-subs">
+                                <li class="tree-sub active">
+                                    <a href="#" class="tree-sub-link">Customers</a>
+                                    <a href="#" class="tree-options">
+                                        <i class="fas fa-ellipsis-v"></i>
+                                    </a>
+                                </li>
+                                <li class="tree-sub">
+                                    <a href="#" class="tree-sub-link">Products very long name</a>
+                                    <a href="#" class="tree-options">
+                                        <i class="fas fa-ellipsis-v"></i>
+                                    </a>
+                                </li>
+                                <li class="tree-sub">
+                                    <a href="#" class="tree-sub-link">Categories</a>
+                                    <a href="#" class="tree-options">
+                                        <i class="fas fa-ellipsis-v"></i>
+                                    </a>
+                                </li>
+                            </ul>
+                        </li>
+                        <li class="tree-item">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-angle-down"></i>
+                                    Map nummer 1
+                                </a>
+                            </div>
+                            <ul class="tree">
+                                <li class="tree-item">
+                                    <div class="tree-action">
+                                        <a href="#" class="tree-link">
+                                            <i class="tree-type fas fa-database"></i>
+                                            Vehicles
+                                        </a>
+                                        <a href="#" class="tree-options">
+                                            <i class="fas fa-ellipsis-v"></i>
+                                        </a>
+                                    </div>
+                                </li>
+                                <li class="tree-item">
+                                    <div class="tree-action">
+                                        <a href="#" class="tree-link">
+                                            <i class="tree-type fas fa-database"></i>
+                                            Something
+                                        </a>
+                                        <a href="#" class="tree-options">
+                                            <i class="fas fa-ellipsis-v"></i>
+                                        </a>
+                                    </div>
+                                </li>
+                            </ul>
+                        </li>
+                        <li class="tree-item">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-database"></i>
+                                    Vehicles with very long name and that is not good.
+                                </a>
+                                <a href="#" class="tree-options">
+                                    <i class="fas fa-ellipsis-v"></i>
+                                </a>
+                            </div>
+                        </li>
+                        <li class="tree-item">
+                            <div class="tree-action">
+                                <a href="#" class="tree-link">
+                                    <i class="tree-type fas fa-database"></i>
+                                    Something else
+                                </a>
+                                <a href="#" class="tree-options">
+                                    <i class="fas fa-ellipsis-v"></i>
+                                </a>
+                            </div>
+                        </li>
+                    </ul>
+                </div>
+                <div class="sidebar-footer">
+                    <a href="#" class="sidebar-collapse">
+                        <i  class="fas fa-angle-double-left"></i>
+                        Collapse sidebar
+                    </a>
+                </div>
             </div>
             <div class="layout-col-3">content</div>
         </div>
diff --git a/web-frontend/src/scss/abstracts/_mixins.scss b/web-frontend/src/scss/abstracts/_mixins.scss
index 3fa4b9ea8..481ebdf71 100644
--- a/web-frontend/src/scss/abstracts/_mixins.scss
+++ b/web-frontend/src/scss/abstracts/_mixins.scss
@@ -41,10 +41,15 @@
   }
 }
 
-@mixin center-text($width, $font-size, $height: $width) {
-  width: $width;
+@mixin fixed-height($height, $font-size) {
   height: $height;
   line-height: $height;
   font-size: $font-size;
+}
+
+@mixin center-text($width, $font-size, $height: $width) {
+  @include fixed-height($height, $font-size);
+
+  width: $width;
   text-align: center;
 }
diff --git a/web-frontend/src/scss/abstracts/_placeholders.scss b/web-frontend/src/scss/abstracts/_placeholders.scss
index e0260b625..44e7eaa54 100644
--- a/web-frontend/src/scss/abstracts/_placeholders.scss
+++ b/web-frontend/src/scss/abstracts/_placeholders.scss
@@ -7,3 +7,9 @@
     margin-bottom: 0;
   }
 }
+
+%ellipsis {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
diff --git a/web-frontend/src/scss/base/_typography.scss b/web-frontend/src/scss/base/_typography.scss
index fb631dbd6..f2f16c83b 100644
--- a/web-frontend/src/scss/base/_typography.scss
+++ b/web-frontend/src/scss/base/_typography.scss
@@ -1,5 +1,14 @@
 html {
   font-size: 62.5%;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-font-smoothing: antialiased;
+  font-weight: 400;
+}
+
+@-moz-document url-prefix() {
+  body {
+    font-weight: lighter !important;
+  }
 }
 
 body {
diff --git a/web-frontend/src/scss/components/_layout.scss b/web-frontend/src/scss/components/_layout.scss
index 213255ac6..3b165e58b 100644
--- a/web-frontend/src/scss/components/_layout.scss
+++ b/web-frontend/src/scss/components/_layout.scss
@@ -4,21 +4,31 @@
   top: 0;
   right: 0;
   bottom: 0;
-  display: flex;
 }
 
 .layout-col-1 {
-  flex-grow: 0;
-  flex-shrink: 0;
-  flex-basis: 52px;
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  width: 52px;
+  overflow-x: auto;
 }
 
 .layout-col-2 {
-  flex-grow: 0;
-  flex-shrink: 0;
-  flex-basis: 226px;
+  position: absolute;
+  left: 52px;
+  top: 0;
+  bottom: 0;
+  width: 226px;
+  overflow-y: auto;
 }
 
 .layout-col-3 {
-  width: 100%;
+  position: absolute;
+  left: 278px;
+  top: 0;
+  bottom: 0;
+  right: 0;
+  overflow-y: auto;
 }
diff --git a/web-frontend/src/scss/components/_menu.scss b/web-frontend/src/scss/components/_menu.scss
index 89d2fb7e9..5ae9cbf6b 100644
--- a/web-frontend/src/scss/components/_menu.scss
+++ b/web-frontend/src/scss/components/_menu.scss
@@ -41,6 +41,7 @@
   border-radius: 100%;
   background-color: $color-primary-500;
   color: $white;
+  font-weight: 700;
 
   @include center-text(32px, 18px);
 }
@@ -55,6 +56,7 @@
   border-radius: 3px;
   padding: 0 4px;
   white-space: nowrap;
+  font-weight: 400;
 
   @include center-text(auto, 11px, 21px);
 
diff --git a/web-frontend/src/scss/components/_sidebar.scss b/web-frontend/src/scss/components/_sidebar.scss
index 1b59a7000..619ce3875 100644
--- a/web-frontend/src/scss/components/_sidebar.scss
+++ b/web-frontend/src/scss/components/_sidebar.scss
@@ -1,4 +1,44 @@
 .sidebar {
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
   background-color: $white;
   border-right: 1px solid $color-neutral-200;
 }
+
+.sidebar-content {
+  padding: 12px;
+}
+
+.sidebar-footer {
+  flex-grow: 0;
+  flex-shrink: 0;
+  border-top: 1px solid $color-neutral-200;
+}
+
+.sidebar-collapse {
+  display: block;
+  padding: 14px 16px;
+  color: $color-primary-900;
+  font-weight: bold;
+  font-size: 14px;
+  line-height: 14px;
+
+  &:hover {
+    text-decoration: none;
+    background-color: $color-neutral-100;
+  }
+}
+
+.sidebar-title {
+  font-family: $logo-font-stack;
+  font-size: 20px;
+  font-weight: 700;
+  margin-bottom: 16px;
+}
+
+.sidebar-group-title {
+  font-size: 14px;
+  font-weight: 700;
+  margin-bottom: 10px;
+}
diff --git a/web-frontend/src/scss/components/_tree.scss b/web-frontend/src/scss/components/_tree.scss
new file mode 100644
index 000000000..542f6391d
--- /dev/null
+++ b/web-frontend/src/scss/components/_tree.scss
@@ -0,0 +1,144 @@
+.tree {
+  list-style: none;
+  padding: 0;
+  margin: 0;
+
+  .tree-item & {
+    padding-left: 8px;
+  }
+}
+
+.tree-item {
+  @extend %first-last-no-margin;
+
+  position: relative;
+  margin: 4px 0;
+  border-radius: 3px;
+
+  &.active {
+    background-color: $color-primary-100;
+  }
+}
+
+%tree-size {
+  line-height: 32px;
+  height: 32px;
+}
+
+.tree-action {
+  @extend %tree-size;
+
+  padding: 0 32px 0 6px;
+  border-radius: 3px;
+
+  &:hover {
+    background-color: $color-neutral-100;
+  }
+
+  .tree-item.active &:hover {
+    background-color: transparent;
+  }
+}
+
+.tree-link {
+  @extend %tree-size;
+  @extend %ellipsis;
+
+  display: block;
+  color: $color-primary-900;
+  font-size: 14px;
+
+  &:hover {
+    text-decoration: none;
+  }
+}
+
+.tree-type {
+  @extend %tree-size;
+
+  text-align: center;
+  width: $fa-fw-width;
+  color: $color-neutral-300;
+  margin-right: 4px;
+  font-size: 11px;
+}
+
+%sub-tree-size {
+  line-height: 28px;
+  height: 28px;
+}
+
+.tree-subs {
+  list-style: none;
+  padding: 0 0 2px 0;
+  margin: 0;
+}
+
+.tree-sub {
+  @extend %sub-tree-size;
+
+  position: relative;
+  padding: 0 34px;
+
+  &::before,
+  &::after {
+    content: "";
+    position: absolute;
+    left: 12px;
+  }
+
+  &::before {
+    top: 0;
+    height: 28px;
+    border-left: 1px solid $color-neutral-200;
+  }
+
+  &::after {
+    top: 14px;
+    width: 12px;
+    border-bottom: 1px solid $color-neutral-200;
+  }
+
+  &:last-child::before {
+    height: 15px;
+  }
+}
+
+.tree-sub-link {
+  @extend %sub-tree-size;
+  @extend %ellipsis;
+
+  color: $color-primary-900;
+  display: block;
+
+  &:hover {
+    text-decoration: none;
+    color: $color-primary-500;
+  }
+
+  .active > & {
+    font-weight: 600;
+    color: $color-primary-600;
+  }
+}
+
+.tree-options {
+  display: none;
+  position: absolute;
+  z-index: 1;
+  right: 0;
+  top: 0;
+  text-align: center;
+  width: 32px;
+  color: $color-neutral-300;
+  height: inherit;
+  line-height: inherit;
+
+  &:hover {
+    color: $color-neutral-700;
+  }
+
+  :hover > & {
+    display: block;
+  }
+}
diff --git a/web-frontend/src/scss/default.scss b/web-frontend/src/scss/default.scss
index 5b3f06711..26d5aa97f 100755
--- a/web-frontend/src/scss/default.scss
+++ b/web-frontend/src/scss/default.scss
@@ -15,5 +15,6 @@
 @import "components/layout";
 @import "components/menu";
 @import "components/sidebar";
+@import "components/tree";
 
 @import "components/box_page";