pzi

input[type=file] {
  position: relative;
  -webkit-appearance: textfield;
  -webkit-box-sizing: border-box;
}

input[type=file]::-webkit-file-upload-button {
  border: none;
  margin: 0;
  padding: 0;

ludder

/*
Element to slide gets the following CSS:
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease 0s;
*/

/**
 * Like jQuery's slideDown function - uses CSS3 transitions