.input-container {
  margin: 3em auto;
  max-width: 400px;
  background-color: #EDEDED;
  border: 1px solid #DFDFDF;
  border-radius: 5px;
}

input[type='file'] {
  display: none;
}

.file-info {
  font-size: 0.9em;
}

.browse-btn {
  background: #39ab00;
  color: #fff;
  min-height: 35px;
  padding: 10px;
  border: none;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}

.browse-btn:hover {
  background: #4ec0b4;
}

@media (max-width: 300px) {
  button {
    width: 100%;
    border-top-right-radius: 5px;
    border-bottom-left-radius: 0;
  }
  
  .file-info {
    display: block;
    margin: 10px 5px;
  }
}