diff --git a/src/page-circle-admin.pug b/src/page-circle-admin.pug
index 43ae78d..2731be5 100644
--- a/src/page-circle-admin.pug
+++ b/src/page-circle-admin.pug
@@ -1,20 +1,28 @@
-h1 Circles
+sib-widget(name='circle-admin-leave-button-template')
+  template
+    sib-ac-checker(
+      permission="acl:Delete"
+      data-src="${await value['@id']}"
+    )
+      sib-delete(
+        data-src="${await value['@id']}"
+        data-label='Leave the circle'
+      )
 
-sib-widget(name='template-admin-circle')
-    template
-      sib-display(
-        fields='name'
-        bind-resources
-      )
-      sib-display(
-        data-src='${await value.owner}'
-        fields='account.picture, sup(name)'
-        widget-account.picture='hd-user-avatar'
-      )
-      sib-display(
-        fields='team'
-        bind-resources
-      )
+sib-widget(name='circle-admin-join-button-template')
+  template
+    sib-form.circle-admin-join-button(
+      data-src='${src}'
+      nested-field='members'
+      fields='user'
+      widget-user='sib-form-dropdown'
+      label-user=''
+      range-user=`${endpoints.users}`
+      submit-button='Join'
+      set-user-id-select="user"
+    )
+
+h1 Circles
 
 div
   //- Search a circle
@@ -26,7 +34,11 @@ div.table-header
 
 sib-display.table-body(
   data-src=`${endpoints.circles}`
-  fields='circles(name, team, owner)'
-  multiple-circles
-  widget-circles='template-admin-circle'
+  fields="name,own(owner.name,owner.account['@id']),members,button"
+
+  widget-members='circle-admin-leave-button-template'
+  multiple-members
+
+  widget-button='circle-admin-join-button-template'
+  action-button='button'
 )
\ No newline at end of file
diff --git a/src/styles/base/main.scss b/src/styles/base/main.scss
index 4a12793..b4e3ce1 100644
--- a/src/styles/base/main.scss
+++ b/src/styles/base/main.scss
@@ -260,4 +260,5 @@ sib-delete {
 // Other base components
 @import 'form';
 @import 'header';
-@import 'menu-left';
\ No newline at end of file
+@import 'menu-left';
+@import 'user-avatar';
\ No newline at end of file
diff --git a/src/styles/base/user-avatar.scss b/src/styles/base/user-avatar.scss
new file mode 100644
index 0000000..0c93093
--- /dev/null
+++ b/src/styles/base/user-avatar.scss
@@ -0,0 +1,29 @@
+.project-profile-user-avatar {
+  align-self: center;
+  grid-column: 1 / span 1;
+  grid-row: 1 / span 2;
+  display: inline;
+
+  * {
+    height: 100%;
+    width: 100%;
+  }
+
+  div {
+    background-color: $color-0-0-100;
+    border-radius: 50%;
+    height: 7vh;
+    overflow: hidden;
+    position: relative;
+    width: 7vh;
+
+    img {
+      height: 100%;
+      left: 0;
+      object-fit: cover;
+      position: absolute;
+      top: 0;
+      width: 100%;
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/styles/layout/circle/_index.scss b/src/styles/layout/circle/_index.scss
index 6efac3d..350cfc1 100644
--- a/src/styles/layout/circle/_index.scss
+++ b/src/styles/layout/circle/_index.scss
@@ -1,2 +1,3 @@
 @import 'circle-profile';
-@import 'circle-edit';
\ No newline at end of file
+@import 'circle-edit';
+@import 'circle-admin';
\ No newline at end of file
diff --git a/src/styles/layout/circle/circle-admin.scss b/src/styles/layout/circle/circle-admin.scss
new file mode 100644
index 0000000..04813c0
--- /dev/null
+++ b/src/styles/layout/circle/circle-admin.scss
@@ -0,0 +1,3 @@
+.circle-admin-join-button select[name='user'] {
+  display: none;
+}
\ No newline at end of file
diff --git a/src/styles/layout/circle/circle-edit.scss b/src/styles/layout/circle/circle-edit.scss
index 547e399..f5812cf 100644
--- a/src/styles/layout/circle/circle-edit.scss
+++ b/src/styles/layout/circle/circle-edit.scss
@@ -13,11 +13,22 @@ h2 {
   justify-content: space-around;
   text-align: center;
 
-  >*{
-    border-right: 1px solid $color-228-25-79;
+  .cell {
+    border-bottom: none;
+    border-top: none;
     flex: 1;
     padding: 1rem;
     width: 50%;
+
+    &:not(:last-child) {
+      border-left: none;
+      border-right: 1px solid white;
+    }
+
+    &:not(:last-child) {
+      border-left: 1px solid white;
+      border-right: none;
+    }
   }
 
   >*:last-of-type {
diff --git a/src/styles/layout/project-profile/project-profile.scss b/src/styles/layout/project-profile/project-profile.scss
index 1a8b0f2..ae54b38 100644
--- a/src/styles/layout/project-profile/project-profile.scss
+++ b/src/styles/layout/project-profile/project-profile.scss
@@ -169,30 +169,6 @@
       display: none;
     }
 
-    sib-display.project-profile-user-avatar {
-      align-self: center;
-      grid-column: 1 / span 1;
-      grid-row: 1 / span 2;
-
-      div {
-        background-color: $color-0-0-100;
-        border-radius: 50%;
-        height: 7vh;
-        overflow: hidden;
-        position: relative;
-        width: 7vh;
-
-        img {
-          height: 100%;
-          left: 0;
-          object-fit: cover;
-          position: absolute;
-          top: 0;
-          width: 100%;
-        }
-      }
-    }
-
     team-template[name='members'], captain-template[name='captain'] {
       display: grid;
       grid-column-gap: 1.6rem;
@@ -231,13 +207,4 @@
       }
     }
   }
-
-  .project-profile-user-avatar {
-    display: inline;
-
-    * {
-      height: 100%;
-      width: 100%;
-    }
-  }
 }
\ No newline at end of file