diff --git a/themes/yunohost-docs/css/custom.css b/themes/yunohost-docs/css/custom.css
index 1c03ebda..c6dcde28 100644
--- a/themes/yunohost-docs/css/custom.css
+++ b/themes/yunohost-docs/css/custom.css
@@ -140,6 +140,7 @@ body.light-mode #app-cards-list .label {
 }
 body.light-mode .hardware-image .card {
   background-color: white !important;
+  border-color: #dddddd;
 }
 body.light-mode .hardware-image .btn-group .btn.btn-info {
   color: #f0f0f0;
@@ -323,6 +324,7 @@ body.dark-mode #app-cards-list .label {
 }
 body.dark-mode .hardware-image .card {
   background-color: #171b21 !important;
+  border-color: #3f4755;
 }
 body.dark-mode .hardware-image .btn-group .btn.btn-info {
   color: #111418;
diff --git a/themes/yunohost-docs/css/custom.css.map b/themes/yunohost-docs/css/custom.css.map
index 636339e1..7787de6b 100644
--- a/themes/yunohost-docs/css/custom.css.map
+++ b/themes/yunohost-docs/css/custom.css.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"sourceRoot":"","sources":["../scss/custom.scss","../scss/theme/light/_custom.scss","../scss/theme/dark/_custom.scss","../scss/theme/_global.scss"],"names":[],"mappings":"AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;ACAA;EAeE,kBAbmB;AA4FnB;AAAA;AAAA;AAwDA;AAAA;AAAA;AAkCA;AAAA;AAAA;AAkBA;AAAA;AAAA;;AAzLA;EACE,kBAXa;;AAcf;AAAA;EAEE,kBArBiB;EAsBjB,OArBW;;AAyBb;EACE,OArBW;;AAyBb;AAAA;AAAA;EAGE;;AAIF;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;EAOE,OA3CkB;;AA+CpB;EACE,OAhDkB;EAiDlB,kBA7CW;;AA+Cb;EACE,OArDW;EAsDX,kBAlDa;;AAsDf;EACE,cAvDa;EAwDb,YAzDc;;AA4DhB;EACE,YAjEiB;;AAoEnB;AAAA;AAAA;EAGE,OApEkB;;AAuEpB;AAAA;AAAA;EAGE,YAzEc;;AA4EhB;EACE,qBA5Ea;;AAgFf;AAAA;AAAA;AAAA;EAIE,YArFc;;AA4FhB;EACE;;AAIF;EACE,kBAjGa;;AAqGf;AAAA;EAEE,OA3GW;;AA+Gb;AAAA;EAGE,OAhHkB;EAiHlB;;AAIF;AAAA;EAEE,OApHW;;AAwHb;AAAA;EAEE,OA/HW;;AAmIb;EACE,OApIW;;AAwIb;AAAA;AAAA;AAAA;EAIE,OA5IW;;AA+Ib;EACE,OA9IkB;;AAqJpB;EACE,kBArJc;;AAwJhB;EACE,OA3JkB;;AA8JpB;EACE;;AAGF;EACE,OAnKkB;EAoKlB,kBAjKa;;AAoKf;EACE;;AAGF;EACE,cAzKa;;AA4Kf;EACE,OA/KkB;EAgLlB,kBA/Kc;;AAsLhB;EACE;EACA,cAvLa;;AA0Lf;EACE,OA5Lc;;AA+LhB;AAAA;EAEE,OAjMc;;AAyMhB;EACE,YA1Mc;;AA6MhB;AAAA;EAEE,qBA9Ma;;AAkNf;EACE,kBAhNO;;AAkNT;EACE,kBAlNQ;;AAoNV;EACE,kBApNQ;;AAuNV;EACE,kBA9Nc;;AAiOhB;AAAA;EAEE,OArOkB;;;AAyOtB;AAAA;AAAA;AAGA;AACE;;AACA;EACE;EACA;;;ACpPJ;AAAA;AAAA;AAAA;AAAA;AAAA;AAOA;EAeE,kBAbmB;AA6FnB;AAAA;AAAA;AAwDA;AAAA;AAAA;AAkCA;AAAA;AAAA;AAkBA;AAAA;AAAA;;AA1LA;EACE,kBAXa;;AAef;AAAA;EAEE,kBAtBiB;EAuBjB,OAtBW;;AA0Bb;EACE,OAtBW;;AA0Bb;AAAA;AAAA;EAGE;;AAIF;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;EAOE,OA5CkB;;AAgDpB;EACE,OAjDkB;EAkDlB,kBA9CW;;AAgDb;EACE,OAtDW;EAuDX,kBAnDa;;AAuDf;EACE,cAxDa;EAyDb,YA1Dc;;AA6DhB;EACE,YAlEiB;;AAqEnB;AAAA;AAAA;EAGE,OArEkB;;AAwEpB;AAAA;AAAA;EAGE,YA1Ec;;AA6EhB;EACE,qBA7Ea;;AAiFf;AAAA;AAAA;AAAA;EAIE,YAtFc;;AA6FhB;EACE;;AAIF;EACE,kBAlGa;;AAsGf;AAAA;EAEE,OA5GW;;AAgHb;AAAA;EAGE,OAjHkB;EAkHlB;;AAIF;AAAA;EAEE,OArHW;;AAyHb;AAAA;EAEE,OAhIW;;AAoIb;EACE,OArIW;;AAyIb;AAAA;AAAA;AAAA;EAIE,OA7IW;;AAgJb;EACE,OA/IkB;;AAsJpB;EACE,kBAtJc;;AAyJhB;EACE,OA5JkB;;AA+JpB;EACE;;AAGF;EACE,OApKkB;EAqKlB,kBAlKa;;AAqKf;EACE;;AAGF;EACE,cA1Ka;;AA6Kf;EACE,OAhLkB;EAiLlB,kBAhLc;;AAuLhB;EACE;EACA,cAxLa;;AA2Lf;EACE,OA7Lc;;AAgMhB;AAAA;EAEE,OAlMc;;AA0MhB;EACE,YA3Mc;;AA8MhB;AAAA;EAEE,qBA/Ma;;AAmNf;EACE,kBAjNO;;AAmNT;EACE,kBAnNQ;;AAqNV;EACE,kBArNQ;;AAwNV;EACE,kBA/Nc;;AAkOhB;AAAA;EAEE,OAtOkB;;;AA0OtB;AAAA;AAAA;AAKE;EACE;;AAGF;EACE;EACA;;AAGF;EACE;;AAGF;EACE;EACA;EACA;;AAGF;EACE;EACA;EACA;;AAGF;AAAA;EAEE;EACA;EACA;;AAGF;EACE;EACA;EACA;;;AC7RJ;EACE;;;AAGF;EACE;;;AAGF;AACA;EACE;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;;;AAGF;EACE;;;AAGF;AACA;EACE;;;AAGF;EACE;;;AAGF;AACA;AAAA;EAEE;;;AAGF;AAAA;EAEE;;;AAGF;EACE;;;AAGF;AACA;EACE;;;AAGF;EACE;;;AAGF;AACA;EACE;EACA;EACA;;;AAGF;EACE;EACA;;;AAGF;EACE;;;AAGF;AAEA;AAAA;AAAA;AAAA;AAAA;AAAA;EAME;EACA;EACA;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;;;AAGF;EACE;EACA;EACA;EAIA;EACA;;AAGF;AAAA;AAAA;AAIA;EACE;EACA;;;AAGF;AAAA;EAEE;;;AAGF;EACE;;;AAGF;EACE;EACA;;;AAGF;AAAA;AAAA;AAIA;EACE;EACA;;;AAGF;AAAA;AAAA;AAIA;EACE;;;AAGF;AAAA;AAAA;AAAA;AAAA;AAMA;EACE;EACA;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;EACA;EACA;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;EACA;;;AAGF;EACE;EACA;;;AAEF;EACE;;;AAEF;EACE;EACA;EACA;EACA;;;AAEF;EACE;EACA;;;AAEF;EACE;EACA;;;AAEF;EACE;;;AAGF;EACE;EACA;;;AAGF;AAAA;EAEE;EACA;;;AAGF;AAAA;AAAA;AAIA;EACE;EACA;;;AAGF;AAAA;EAEE;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;EACA;EACA;EACA;;;AAGF;EACE;EACA;EACA;EACA;EACA;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;EACA;EACA;;;AAGF;EACE;;;AAGF;EACE;EACA;EACA","file":"custom.css"}
\ No newline at end of file
diff --git a/themes/yunohost-docs/scss/theme/dark/_custom.scss b/themes/yunohost-docs/scss/theme/dark/_custom.scss
index 68712ea9..35e67391 100644
--- a/themes/yunohost-docs/scss/theme/dark/_custom.scss
+++ b/themes/yunohost-docs/scss/theme/dark/_custom.scss
@@ -196,6 +196,7 @@ body.dark-mode {
 
   .hardware-image .card {
     background-color: $background-color !important;
+    border-color: $border-color;
   }
 
   .hardware-image .btn-group .btn.btn-info {
diff --git a/themes/yunohost-docs/scss/theme/light/_custom.scss b/themes/yunohost-docs/scss/theme/light/_custom.scss
index d4f1ba8f..f11cc359 100644
--- a/themes/yunohost-docs/scss/theme/light/_custom.scss
+++ b/themes/yunohost-docs/scss/theme/light/_custom.scss
@@ -188,6 +188,7 @@ body.light-mode {
 
   .hardware-image .card {
     background-color: $background-color !important;
+    border-color: $border-color;
   }
 
   .hardware-image .btn-group .btn.btn-info {