modify font on ninja form

I am trying to modify the default font that appears on ninja forms in wordpress.  Nothing I am doing seems to help.  I would like the reduce font size of Name, Address 1, etc.

beta site
http://4aa.4ca.myftpupload.com

/*.... NINJA FORM....*/ 
#nf-form-1-cont {
 background-color: #f9f0d7; 
 padding: 15px;
 box-shadow: 0px 3px 5px #444; /* Creates a shadow around the form. */
 border-radius: 9px; /* Creates curved corners. */
 }

.nf-field-label label {
  font-size: 14px;!important;
  font-weight: normal!important;}
  
.ninja-forms-field {  /* Narrows field */
 padding: 7px !important;
 }

.nf-form-content input.ninja-forms-field {
  height:35px !important;}

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