Remove valid for text notice, remove arrows on number input styling

views/cassius/style.cassius

@@ -34,6 +34,13 @@ p
 a
   color: #{colorThree}
 
+input::-webkit-outer-spin-button,
+input::-webkit-inner-spin-button 
+  -webkit-appearance: none
+  margin: 0
+input[type=number] 
+  -moz-appearance: textfield
+
 .main 
   margin: 1em auto
   max-width: 50%

views/index.hamlet

@@ -60,8 +60,6 @@ $doctype 5
               placeholder="enter a secret to share"
             />
             <div .validForm>
-              valid for:
-              <br />
               <input .numberInput
                 name="newSecDuration"
                 type="number"