Added styles for email opt in/out checkbox label

lms/static/sass/shared/_forms.scss

@@ -8,6 +8,19 @@ label {
   margin-bottom: 5px;
   text-shadow: 0 1px rgba(255,255,255, 0.4);
   -webkit-font-smoothing: antialiased;
+
+  &.register-emails {
+    font-family: $sans-serif;
+    font-style: normal;
+    font-size: 12px;
+    line-height: 1.5em;
+    font-weight: normal;
+    width: calc( 100% - 25px );
+    padding-top: 2px;
+    position: relative;
+    float: right;
+    clear: both;
+  }
 }
 
 textarea,

lms/templates/courseware/mktg_course_about.html

@@ -87,7 +87,7 @@
           % if organization_full_name:
             <p class="form-field">
               <input id="email-opt-in" type="checkbox" name="opt-in" class="email-opt-in" value="true" checked>
-              <label for="email-opt-in">
+              <label for="email-opt-in" class="register-emails">
                 ## Translators: This line appears next a checkbox which users can leave checked or uncheck in order
                 ## to indicate whether they want to receive emails from the organization offering the course.
                 ${_("I would like to receive email about other {organization_full_name} programs and offers.").format(