diff --git a/common/gtk-3.0/3.20/gtk-dark.css b/common/gtk-3.0/3.20/gtk-dark.css
index ea72108..8f6329d 100644
--- a/common/gtk-3.0/3.20/gtk-dark.css
+++ b/common/gtk-3.0/3.20/gtk-dark.css
@@ -733,6 +733,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(211, 218, 227, 0.45); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/gtk-darker.css b/common/gtk-3.0/3.20/gtk-darker.css
index 6bd242e..a450743 100644
--- a/common/gtk-3.0/3.20/gtk-darker.css
+++ b/common/gtk-3.0/3.20/gtk-darker.css
@@ -732,6 +732,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/gtk-solid-dark.css b/common/gtk-3.0/3.20/gtk-solid-dark.css
index edb76c9..5f9083b 100644
--- a/common/gtk-3.0/3.20/gtk-solid-dark.css
+++ b/common/gtk-3.0/3.20/gtk-solid-dark.css
@@ -733,6 +733,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(211, 218, 227, 0.45); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/gtk-solid-darker.css b/common/gtk-3.0/3.20/gtk-solid-darker.css
index 452c8a2..db3c774 100644
--- a/common/gtk-3.0/3.20/gtk-solid-darker.css
+++ b/common/gtk-3.0/3.20/gtk-solid-darker.css
@@ -732,6 +732,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/gtk-solid.css b/common/gtk-3.0/3.20/gtk-solid.css
index aa287ff..e979f58 100644
--- a/common/gtk-3.0/3.20/gtk-solid.css
+++ b/common/gtk-3.0/3.20/gtk-solid.css
@@ -732,6 +732,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/gtk.css b/common/gtk-3.0/3.20/gtk.css
index 8cab57a..02ee058 100644
--- a/common/gtk-3.0/3.20/gtk.css
+++ b/common/gtk-3.0/3.20/gtk.css
@@ -732,6 +732,9 @@ spinbutton button:active {
 spinbutton:disabled {
   color: rgba(92, 97, 108, 0.55); }
 
+spinbutton:not(.vertical) entry {
+  min-width: 28px; }
+
 spinbutton:not(.vertical):dir(ltr) entry,
 spinbutton:not(.vertical):dir(rtl) button.up {
   border-radius: 3px 0 0 3px; }
diff --git a/common/gtk-3.0/3.20/sass/_common.scss b/common/gtk-3.0/3.20/sass/_common.scss
index 40a0f53..d46f294 100644
--- a/common/gtk-3.0/3.20/sass/_common.scss
+++ b/common/gtk-3.0/3.20/sass/_common.scss
@@ -729,6 +729,8 @@ spinbutton {
   &:disabled { color: $insensitive_fg_color; }
 
   &:not(.vertical) {
+    entry { min-width: 28px; }
+
     button, entry { @extend %linked; }
 
     &:dir(ltr) entry,