.allowed-submit{opacity: .5;cursor: not-allowed;}
  .valid-input{
    border:1px solid green !important;
  }
  .invalid-input{
    border:1px solid red !important;
  }
  .invalid-msg{
    color: red;
  }
.validation-form h3{
  background:#eae9e9;
  text-align:center;
  padding:5px 0px;
}
.validation-form{
  border:1px solid orange;
  width:50%;

  background:#dad9d9;
  padding:10px 30px;
}
.validation-form .form-group{
  margin:15px 0px;
}
.validation-form .form-group input{
  padding:10px;
  width:94%;
  boz-sizing:border-box;
   border:none;
   border-bottom:1px solid orange;
}
.validation-form .form-group input:focus{
 outline:unset;
}
.validation-form .form-group input[type="submit"]{
  width:100%;

  background:orange;
  font-size:20px;
  color:white;
}.required:after {
     content: '*';
     color: red;
     padding-left: 5px;
 }