Remove spacing between days.

biscuit/apps/chronos/templates/chronos/tt_day.html

-<div class="col-sm">
+<div class="col-sm px-0">
  <div class="container">
   <div class="row">
-   <div class="col-sm">
+   <div class="col-sm px-0">
     <div class="card chronos-head">
      <div class="card-body">
       <span class="card-title">{{ weekday_name }}</span>
@@ -11,7 +11,7 @@
   </div>
   {% for period_num, lesson_period in lesson_periods.items %}
    <div class="row">
-    <div class="col-sm">
+    <div class="col-sm px-0">
      {% include "chronos/tt_lesson.html" with lesson_period=lesson_period %}
     </div>
    </div>

biscuit/apps/chronos/templates/chronos/tt_week.html

@@ -10,10 +10,10 @@
  </p>
 
  <div class="row">
-  <div class="col-sm">
+  <div class="col-sm px-0">
    <div class="container">
     <div class="row">
-     <div class="col-sm">
+     <div class="col-sm px-0">
       <div class="card chronos-head">
        <div class="card-body">
         <span class="card-title">{% blocktrans %}Times{% endblocktrans %}</span>
@@ -23,22 +23,22 @@
     </div>
     {% for num, times in periods.items %}
      <div class="row">
-      <div class="col-sm">
+      <div class="col-sm px-0">
        <div class="card chronos-lesson">
         <div class="card-body">
          <div class="row">
-          <div class="col-sm">
+          <div class="col-sm px-0">
            <span class="card-title">{{ num }}.</span>
           </div>
          </div>
          <div class="row">
-          <div class="col-sm">
+          <div class="col-sm px-0">
            <span class="card-text">{{ times.0}}</span>
           </div>
-          <div class="col-sm">
+          <div class="col-sm px-0">
            <span class="card-text">-</span>
           </div>
-          <div class="col-sm">
+          <div class="col-sm px-0">
            <span class="card-text">{{ times.1 }}</span>
           </div>
          </div>