.custom-file__input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
  }
  .custom-file__label {
    position: relative;
    display: block;
    width: 100%; 
    min-height: 30px;
    margin-top: 0PX;
    padding: 0;
    background: transparent; 
    color: #eee;
    line-height: 30px;
    font-size: 1.3em;
    text-align: center;
    text-transform: none;
    cursor: pointer;
    transition: all 0.7s;
  }
  .custom-file__input:valid ~ .custom-file__label {
   
    border-color: #39B54A;
    background: #39B54A;
    color: #39B54A; 
  }
  .custom-file__input:valid ~ .custom-file__label:before {
    content: 'Change file!';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    color: #ffffff; 
    line-height: 30px;
  }