#lf_form_container  {
  display: inline-block;
  width: 100%;
}
#lf_form_container #lf_first_name_block, #lf_form_container #lf_last_name_block, #lf_form_container #lf_email_block, 
#lf_form_container #lf_phone_block{
  width: 48%;
  float: left;
  margin: 0 1% 2%;
}
#lf_form_container #lf_message_block, #lf_form_container #buttons {
  width: 98%;
  float: left;
  margin: 0 1% 2%;
}