/* ===================== FILE INPUT ===================== */
.file-area {
  width: 100%;
  position: relative;
}
.file-area input[type=file] {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  cursor: pointer;
}
.file-area .file-dummy {
  width: 100%;
  padding: 30px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px dashed rgba(255, 255, 255, 0.2);
  text-align: center;
  transition: background 0.3s ease-in-out;
}
.file-area .file-dummy .success {
  display: none;
}
.file-area:hover .file-dummy {
  background: rgba(255, 255, 255, 0.1);
}
.file-area input[type=file]:focus + .file-dummy {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline: -webkit-focus-ring-color auto 5px;
}
.file-area input[type=file]:valid + .file-dummy {
  border-color: rgba(0, 255, 0, 0.4);
  background-color: rgba(0, 255, 0, 0.3);
}
.file-area input[type=file]:valid + .file-dummy .success {
  display: inline-block;
}
.file-area input[type=file]:valid + .file-dummy .default {
  display: none;
}