fieldset label {
   display: block;
   margin: 5px 0px;
}
fieldset input #kode{
   width: 220px;
   height: 33px;
   border: 1px solid #ddd;
   margin: 5px 0px;
   padding: 0px 5px;
   
}
a{
   margin-left:10px;
   text-decoration:none;
}
#btn_submit,a{
   display: inline;
   margin-right: 10px;
   background-color: #91091e;
   color: white;
   border-radius:3px;
   opacity: 0.8;
   padding: 10px 40px;
   border: none;
   outline: none;
   cursor: pointer;
}
#btn_submit:hover,a:hover{
   opacity: 1;
}
.result{
   margin-left:10px;
}