diff --git a/bin/90-docker-registry-ui.sh b/bin/90-docker-registry-ui.sh
index c9c732f..94fd0ab 100755
--- a/bin/90-docker-registry-ui.sh
+++ b/bin/90-docker-registry-ui.sh
@@ -13,6 +13,8 @@ sed -i "s~\${HISTORY_CUSTOM_LABELS}~${HISTORY_CUSTOM_LABELS}~" index.html
 sed -i "s~\${USE_CONTROL_CACHE_HEADER}~${USE_CONTROL_CACHE_HEADER}~" index.html
 sed -i "s~\${TAGLIST_ORDER}~${TAGLIST_ORDER}~" index.html
 sed -i "s~\${CATALOG_DEFAULT_EXPANDED}~${CATALOG_DEFAULT_EXPANDED}~" index.html
+sed -i "s~\${CATALOG_MIN_BRANCHES}~${CATALOG_MIN_BRANCHES}~" index.html
+sed -i "s~\${CATALOG_MAX_BRANCHES}~${CATALOG_MAX_BRANCHES}~" index.html
 
 grep -o 'THEME[A-Z_]*' index.html | while read e; do
   sed -i "s~\${$e}~$(printenv $e)~" index.html
diff --git a/src/components/catalog/catalog-element.riot b/src/components/catalog/catalog-element.riot
index 788ae9b..b235056 100644
--- a/src/components/catalog/catalog-element.riot
+++ b/src/components/catalog/catalog-element.riot
@@ -52,6 +52,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       show-catalog-nb-tags="{ props.showCatalogNbTags }"
       class="animated {!state.expanded && !props.filterResults ? 'hide' : ''} {state.expanding ? 'expanding' : ''}"
       each="{item in state.images}"
+      z-index="{ props.zIndex - 1 }"
       item="{ item }"
     ></catalog-element>
   </div>
@@ -76,6 +77,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
           this.getNbTags(props, state);
         }
       },
+      onMounted(props, state) {
+        const materialCard = this.$('material-card');
+        if (materialCard) {
+          materialCard.style['z-index'] = props.zIndex;
+        }
+      },
       onBeforeUpdate(props, state) {
         if (props.filterResults && state.images) {
           state.nImages = state.images.filter((image) => matchSearch(props.filterResults, image)).length;
diff --git a/src/components/catalog/catalog.riot b/src/components/catalog/catalog.riot
index 91aea31..3365a2f 100644
--- a/src/components/catalog/catalog.riot
+++ b/src/components/catalog/catalog.riot
@@ -35,10 +35,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
     on-authentication="{ props.onAuthentication }"
     show-catalog-nb-tags="{ props.showCatalogNbTags }"
     catalog-default-expanded="{ props.catalogDefaultExpanded || state.nRepositories === 1 }"
+    z-index="{ props.catalogMaxBranches - props.catalogMinBranches + 2 }"
   ></catalog-element>
   <script>
     import CatalogElement from './catalog-element.riot';
     import { Http } from '../../scripts/http';
+    import { getBranching } from '../../scripts/repositories';
     import { getRegistryServers } from '../../scripts/utils';
 
     export default {
@@ -56,6 +58,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       onBeforeMount(props) {
         this.state.registryName = props.registryName;
         this.state.catalogElementsLimit = props.catalogElementsLimit;
+        try {
+          this.state.branching = getBranching(props.catalogMinBranches, props.catalogMaxBranches);
+        } catch (e) {
+          props.onNotify(e);
+        }
       },
       onMounted(props, state) {
         this.display(props, state);
@@ -69,6 +76,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
         }
         state.registryUrl = props.registryUrl;
         let repositories = [];
+        let nImages = 0;
         const self = this;
         const catalogUrl = `${props.registryUrl}/v2/_catalog?n=${state.catalogElementsLimit}`;
         const oReq = new Http({
@@ -78,22 +86,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
           if (this.status === 200) {
             repositories = JSON.parse(this.responseText).repositories || [];
             repositories.sort();
-            repositories = repositories.reduce(function (acc, e) {
-              const slash = e.indexOf('/');
-              if (slash > 0) {
-                const repoName = e.substring(0, slash) + '/';
-                if (acc.length === 0 || acc[acc.length - 1].repo != repoName) {
-                  acc.push({
-                    repo: repoName,
-                    images: [],
-                  });
-                }
-                acc[acc.length - 1].images.push(e);
-                return acc;
-              }
-              acc.push(e);
-              return acc;
-            }, []);
+            nImages = repositories.length;
+            if (typeof state.branching === 'function') {
+              repositories = state.branching(repositories);
+            }
           } else if (this.status === 404) {
             self.props.onNotify({ code: 'CATALOG_NOT_FOUND', url: catalogUrl }, true);
           } else if (this.status === 400) {
@@ -116,7 +112,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
           self.update({
             repositories,
             nRepositories: repositories.length,
-            nImages: repositories.reduce((acc, e) => acc + ((e.images && e.images.length) || 1), 0),
+            nImages,
             loadend: true,
           });
         });
@@ -125,4 +121,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       },
     };
   </script>
+  <style>
+    catalog {
+      display: block;
+      margin: auto;
+    }
+    catalog > material-card {
+      width: 100%;
+    }
+  </style>
 </catalog>
diff --git a/src/components/docker-registry-ui.riot b/src/components/docker-registry-ui.riot
index 5f39d37..1ea7032 100644
--- a/src/components/docker-registry-ui.riot
+++ b/src/components/docker-registry-ui.riot
@@ -31,6 +31,21 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
     </material-navbar>
   </header>
   <main>
+    <error-page
+      if="{ state.pageError && !Array.isArray(state.pageError.errors) }"
+      code="{ state.pageError.code }"
+      status="{ state.pageError.status }"
+      message="{ state.pageError.message }"
+      url="{ state.pageError.url }"
+    ></error-page>
+    <error-page
+      if="{ state.pageError && Array.isArray(state.pageError.errors) }"
+      each="{ error in (state.pageError && state.pageError.errors) }"
+      code="{ error.code }"
+      detail="{ error.detail }"
+      message="{ error.message }"
+      url="{ state.pageError.url }"
+    ></error-page>
     <router base="#!">
       <route path="{baseRoute}">
         <catalog
@@ -42,6 +57,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
           on-authentication="{ onAuthentication }"
           show-catalog-nb-tags="{ truthy(props.showCatalogNbTags) }"
           catalog-default-expanded="{ truthy(props.catalogDefaultExpanded) }"
+          catalog-min-branches="{ props.catalogMinBranches }"
+          catalog-max-branches="{ props.catalogMaxBranches }"
         ></catalog>
       </route>
       <route path="{baseRoute}taglist/(.*)">
@@ -82,21 +99,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       on-authenticated="{ state.onAuthenticated }"
       opened="{ state.authenticationDialogOpened }"
     ></registry-authentication>
-    <error-page
-      if="{ state.pageError && !Array.isArray(state.pageError.errors) }"
-      code="{ state.pageError.code }"
-      status="{ state.pageError.status }"
-      message="{ state.pageError.message }"
-      url="{ state.pageError.url }"
-    ></error-page>
-    <error-page
-      if="{ state.pageError && Array.isArray(state.pageError.errors) }"
-      each="{ error in (state.pageError && state.pageError.errors) }"
-      code="{ error.code }"
-      detail="{ error.detail }"
-      message="{ error.message }"
-      url="{ state.pageError.url }"
-    ></error-page>
     <material-snackbar message="{ state.snackbarMessage }" is-error="{ state.snackbarIsError }"></material-snackbar>
   </main>
   <footer>
diff --git a/src/components/error-page.riot b/src/components/error-page.riot
index e195ee3..32054b0 100644
--- a/src/components/error-page.riot
+++ b/src/components/error-page.riot
@@ -61,6 +61,10 @@
         <a href="https://github.com/Joxit/docker-registry-ui/issues/306">Joxit/docker-registry-ui#306</a>.
       </p>
     </template>
+    <template if="{ props.code === 'CATALOG_BRANCHING_CONFIGURATION' }">
+      <p>Wrong configuration for the branching feature: { props.message }</p>
+      <p>Configuration environment variables are : CATALOG_MIN_BRANCH and CATALOG_MAX_BRANCH</p>
+    </template>
   </div>
   <script>
     export default {
diff --git a/src/components/tag-history/tag-history.riot b/src/components/tag-history/tag-history.riot
index 283d619..2dd101b 100644
--- a/src/components/tag-history/tag-history.riot
+++ b/src/components/tag-history/tag-history.riot
@@ -159,7 +159,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
         return router.taglist(this.props.image);
       },
       showDockerfile() {
-        console.log(this);
         this.update({ showDockerfile: true });
       },
       onDockerfileClose() {
diff --git a/src/index.html b/src/index.html
index 496335f..5435942 100644
--- a/src/index.html
+++ b/src/index.html
@@ -49,6 +49,8 @@
       use-control-cache-header="${USE_CONTROL_CACHE_HEADER}"
       taglist-order="${TAGLIST_ORDER}"
       catalog-default-expanded="${CATALOG_DEFAULT_EXPANDED}"
+      catalog-min-branches="${CATALOG_MIN_BRANCHES}"
+      catalog-max-branches="${CATALOG_MAX_BRANCHES}"
       theme="${THEME}"
       theme-primary-text="${THEME_PRIMARY_TEXT}"
       theme-neutral-text="${THEME_NEUTRAL_TEXT}"
@@ -77,6 +79,8 @@
       use-control-cache-header="false"
       taglist-order=""
       catalog-default-expanded=""
+      catalog-min-branches="1"
+      catalog-max-branches="1"
       theme="auto"
       theme-primary-text=""
       theme-neutral-text=""
diff --git a/src/scripts/error.js b/src/scripts/error.js
index af31722..23a3ba3 100644
--- a/src/scripts/error.js
+++ b/src/scripts/error.js
@@ -1,6 +1,7 @@
 export class DockerRegistryUIError extends Error {
-  constructor(msg) {
+  constructor(msg, code) {
     super(msg);
     this.isError = true;
+    this.code = code;
   }
 }
diff --git a/src/scripts/repositories.js b/src/scripts/repositories.js
index 1eac2ca..7088dc2 100644
--- a/src/scripts/repositories.js
+++ b/src/scripts/repositories.js
@@ -1,4 +1,5 @@
 import { DockerRegistryUIError } from './error.js';
+const ERROR_CODE = 'CATALOG_BRANCHING_CONFIGURATION';
 
 const getRepositoryName = (split, max) => {
   let repositoryName = '';
@@ -29,14 +30,24 @@ const getLatestRepository = (repo, repoName) => {
   }
 };
 
+const cleanInt = (n) => (n === '' ? 1 : parseInt(n));
+
 export const getBranching = (min = 1, max = 1) => {
-  if (min > max) {
-    throw new DockerRegistryUIError(`min must be inferior to max (min: ${min} <= max: ${max})`);
+  min = cleanInt(min);
+  max = cleanInt(max);
+  if (isNaN(min) || isNaN(max)) {
+    throw new DockerRegistryUIError(`min and max must be integers: (min: ${min} and max: ${max}))`, ERROR_CODE);
+  } else if (min > max) {
+    throw new DockerRegistryUIError(`min must be inferior to max (min: ${min} <= max: ${max})`, ERROR_CODE);
   } else if (max < 0 || min < 0) {
     throw new DockerRegistryUIError(
-      `min and max must be greater than equals to 0 (min: ${min} >= 0 and max: ${max} >= 0)`
+      `min and max must be greater than equals to 0 (min: ${min} >= 0 and max: ${max} >= 0)`,
+      ERROR_CODE
     );
   }
+  if (max == 1) {
+    min = 1;
+  }
   return (repositories) =>
     repositories.sort().reduce(function (acc, image) {
       const split = image.split('/');
diff --git a/src/style.scss b/src/style.scss
index 3fa8a75..1967c39 100644
--- a/src/style.scss
+++ b/src/style.scss
@@ -69,17 +69,18 @@ material-card {
 material-card,
 material-tabs,
 pagination .container {
-  max-width: 95%;
   margin: auto;
   margin-top: 20px;
   margin-bottom: 20px;
 }
 
-/* 1515px * 0.95 = 1440px */
-@media screen and (min-width: 1515px) {
-  material-card,
-  material-tabs,
-  pagination .container {
+material-card,
+material-tabs,
+pagination .container,
+catalog {
+  max-width: 95%;
+  /* 1515px * 0.95 = 1440px */
+  @media screen and (min-width: 1515px) {
     max-width: 1440px;
   }
 }
diff --git a/test/repositories.test.js b/test/repositories.test.js
index 4e96e5c..20b97af 100644
--- a/test/repositories.test.js
+++ b/test/repositories.test.js
@@ -117,5 +117,6 @@ describe('repositories', () => {
     assert.throws(() => getBranching(2, 1), DockerRegistryUIError, `Did not throw on min > max`);
     assert.throws(() => getBranching(-2, 1), DockerRegistryUIError, `Did not throw on min < 0`);
     assert.throws(() => getBranching(2, -1), DockerRegistryUIError, `Did not throw on max < 0`);
+    assert.throws(() => getBranching('foo', 'bar'), DockerRegistryUIError, `Did not throw on max < 0`);
   });
 });