addresspreview template to skip empty values

gistfile1.txt

<div class="oscaddresspreview">
  <div class="name">#{billing:firstname} #{billing:lastname}</div>
  <div class="email">#{billing:email}</div>
  <div class="company">#{billing:company}</div>
  <div class="street1">#{billing:street1}</div>
  <div class="street2">#{billing:street2}</div>
  <div class="address">#{billing:city},  #{billing:region}, #{billing:postcode}</div>
  <div class="country">#{billing:country_id}</div>
  <div class="phone">#{billing:telephone}</div> 
</div>

and css accordingly: 

.oscaddresspreview div {
  clear: both;
  min-height: 0;
}