.gform_wrapper .gform_footer input.button, .gform_wrapper .gform_footer input[type=submit], .gform_wrapper .gform_page_footer input.button, .gform_wrapper .gform_page_footer input[type=submit] {
  border: 3px #000 solid;
  
    background:#ccc; 
    border:0 none;
    cursor:pointer;
    -webkit-border-radius: 5px;
    border-radius: 5px; 
}