diff --git a/cara/apps/calculator/static/css/form.css b/cara/apps/calculator/static/css/form.css
index 6a936803..4c495f66 100644
--- a/cara/apps/calculator/static/css/form.css
+++ b/cara/apps/calculator/static/css/form.css
@@ -12,4 +12,8 @@
 
 .red_text {
 	color: red;
+}
+
+#disclaimer,#code_license {
+	font-size: 9pt;
 }
\ No newline at end of file
diff --git a/cara/apps/calculator/templates/calculator.form.html.j2 b/cara/apps/calculator/templates/calculator.form.html.j2
index f3247cfd..401cefd9 100644
--- a/cara/apps/calculator/templates/calculator.form.html.j2
+++ b/cara/apps/calculator/templates/calculator.form.html.j2
@@ -29,7 +29,7 @@
 <form id="covid_calculator" name="covid_calculator" action="/calculator/report" onsubmit="return validate_form(this)" method="POST">
 {% endif %}
 
-<input type="hidden" name="model_version" value={{ MODEL_VERSION }}></input>
+<input type="hidden" name="model_version" value={{ MODEL_VERSION }}>
 
 <div style="width: 33%; float:left;">
 
@@ -47,9 +47,9 @@
 
     <!-- Ventilation Options -->
     Ventilation type:
-    <input type="radio" id="no-ventilation" name="ventilation_type" value="no-ventilation" checked>No ventilation</input>
-    <input type="radio" id="mechanical" name="ventilation_type" value="mechanical" data-enables="DIVmechanical_ventilation">Mechanical</input>
-    <input type="radio" id="natural" name="ventilation_type" value="natural" data-enables="DIVnatural_ventilation">Natural</input><br>
+    <input type="radio" id="no-ventilation" name="ventilation_type" value="no-ventilation" checked>No ventilation
+    <input type="radio" id="mechanical" name="ventilation_type" value="mechanical" data-enables="DIVmechanical_ventilation">Mechanical
+    <input type="radio" id="natural" name="ventilation_type" value="natural" data-enables="DIVnatural_ventilation">Natural<br>
 
     <div id="DIVmechanical_ventilation" style="display:none">
         <input type="radio" id="air_type_supply" name="mechanical_ventilation_type" value="air_supply" onclick="require_fields(this)">
@@ -111,12 +111,13 @@
     <hr width="80%">
 
     When is the event?<br>
-    <input type="radio" id="event_type_single" name="event_type" value="single_event" onclick="require_fields(this)" required></input>
+    <input type="radio" id="event_type_single" name="event_type" value="single_event" onclick="require_fields(this)" required>
+
     <label for="event_type_single">Single event</label> &nbsp;&nbsp;
     <label for="single_event_date">Date: </label>
     <input type="text" id="single_event_date" class="datepicker" name="single_event_date" placeholder="dd/mm/yyyy">
     <span id="event_time_error" class="red_text" hidden> Incorrect date format</span><br>
-    <input type="radio" id="event_type_recurrent" name="event_type" value="recurrent_event" onclick="require_fields(this)" required></input>
+    <input type="radio" id="event_type_recurrent" name="event_type" value="recurrent_event" onclick="require_fields(this)" required>
     <label for="event_type_recurrent">Recurrent usage</label>
     <select id="recurrent_event_month" name="recurrent_event_month">
         <option value="January">January</option>
@@ -138,7 +139,7 @@
     Lunch break:
     <input type="radio" id="lunch_option_no" name="lunch_option" value=0 onclick="require_fields(this)">
       <label for="lunch_option">No</label>
-    <input type="radio" id="lunch_option_yes" name="lunch_option" value=1 checked="checked" onclick="require_fields(this)"></input>
+    <input type="radio" id="lunch_option_yes" name="lunch_option" value=1 checked="checked" onclick="require_fields(this)">
       <label for="lunch_option">Yes</label><br>
     
     <div id="DIVlunch_break">
@@ -149,11 +150,11 @@
 
     <!-- Coffee Options -->
     Coffee Breaks
-    <input type="radio" name="coffee_breaks" value="0" checked="checked"</input>
+    <input type="radio" name="coffee_breaks" value="0" checked="checked">
         <label for="lunch_option" >No breaks</label>
-    <input type="radio" name="coffee_breaks" value="2" </input>
+    <input type="radio" name="coffee_breaks" value="2">
         <label for="lunch_option">2</label>
-    <input type="radio" name="coffee_breaks" value="4"</input>
+    <input type="radio" name="coffee_breaks" value="4">
         <label for="lunch_option">4</label>
         <br>
         Duration (minutes): <select id="break_duration" name="coffee_duration">
@@ -199,13 +200,13 @@ You should specify if the event is a one off (give date) or recurrent use of the
 <div id="DIALOG_welcome" title="Welcome to CARA!" class="dialog">
   <p>This software is provided with a disclaimer and code license.<span id="dots"></span><span id="more" style="display: none;">
     <br><br><b>Disclaimer:</b><br><br>
-    <span style="font-size:9pt;">The risk assessment tool simulates the long range airborne spread SARS-CoV-2 virus in a finite volume, assuming a homogenous mixture, and estimates the risk of COVID-19 infection thereto. The results DO NOT include short-range airborne exposure (where the physical distance plays a factor) nor the other know modes of transmission of SARS-CoV-2. Hence, this model implies that proper physical distancing, good hand hygiene and other barrier measures are ensured.<br><br>
+    <span id="disclaimer">The risk assessment tool simulates the long range airborne spread SARS-CoV-2 virus in a finite volume, assuming a homogenous mixture, and estimates the risk of COVID-19 infection thereto. The results DO NOT include short-range airborne exposure (where the physical distance plays a factor) nor the other know modes of transmission of SARS-CoV-2. Hence, this model implies that proper physical distancing, good hand hygiene and other barrier measures are ensured.<br><br>
     It is based on current scientific data and can be used to measures the effectiveness of different mitigation measures.<br><br>
     Note that this model is based on a deterministic approach, i.e., at least one person is infected and shedding viruses into the volume. Nonetheless, it is also important to understand that the absolute risk of infection is uncertain as it will depend on the probability that someone infected attends the event. The model is mostly useful to compare the impact and effectiveness of mitigation measures such as ventilation, filtration, exposure time, activity and the size of the room on long-range airborne transmission of COVID-19 in indoor settings.<br><br>
     This application is meant for informative and educational purposes. The user can be able to adapt different settings and measure the relative impact on the estimated infection probabilities to allow for a targeted decision making and investment. The user should acknowledge that until the virus is in circulation among the population, the notion of 'zero risk' or a 'completely safe scenario' does not exist. Each event is unique and the results are as accurate as the inputs. The app is based on our scientific understanding of infectious diseases transmission, exposure and aerosol science as of November 2020.<br><br>
     <b>We do not assume responsibility for any injury or damage to persons or property arising out of or related to any use of this app.</b></span>
     <br><br><b>Code License:</b><br><br>
-    <span style="font-size:9pt;">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></p><br>
+    <span id="code_license">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></p><br>
   <button onclick="show_disclaimer()" id="myBtn">Read more</button><br><br>
 </div>