diff --git a/angular/src/app/sign/sign.component.css b/angular/src/app/sign/sign.component.css
index 96567ae3..347d4e35 100644
--- a/angular/src/app/sign/sign.component.css
+++ b/angular/src/app/sign/sign.component.css
@@ -17,3 +17,6 @@
 .verify-status {
   text-align: center;
 }
+.overflow-auto{
+  overflow: auto;
+}
diff --git a/angular/src/app/sign/sign.component.html b/angular/src/app/sign/sign.component.html
index 9e53cbee..73141a00 100644
--- a/angular/src/app/sign/sign.component.html
+++ b/angular/src/app/sign/sign.component.html
@@ -17,7 +17,7 @@
           </mat-select>
         </mat-form-field>
 
-        <mat-card class="selectable">{{ address.value }}</mat-card
+        <mat-card class="selectable overflow-auto">{{ address.value }}</mat-card
         ><br />
 
         <mat-form-field class="sign-full-width" appearance="fill">