diff --git a/runningmate/mateapp/templates/mateapp/calendar.html b/runningmate/mateapp/templates/mateapp/calendar.html
index 4c08d98..a8ac720 100644
--- a/runningmate/mateapp/templates/mateapp/calendar.html
+++ b/runningmate/mateapp/templates/mateapp/calendar.html
@@ -278,7 +278,7 @@
     <div class="calendar_content">
       <ul>
         <li>
-          <input type="checkbox" class="calendar_cb" id="calendar_checkbox" style="accent-color: {{calendar.color}}; outline: 2px solid {{calendar.color}};">
+          <input type="checkbox" class="calendar_cb" id="calendar_checkbox" style="accent-color: {{calendar.color}};">
           <label for="calendar_checkbox"></label>
         </li>
         <li>
diff --git a/runningmate/runningmate/static/css/calender.css b/runningmate/runningmate/static/css/calender.css
index e92e6bf..3fc8715 100644
--- a/runningmate/runningmate/static/css/calender.css
+++ b/runningmate/runningmate/static/css/calender.css
@@ -176,6 +176,8 @@
 }
 
 .calendar_cb {
+    width: 17px;
+    height: 17px;
     margin-right: 15px;
     border: none;
 }