quay/static/css/directives/ui/dockerfile-build-form.css

.dockerfile-build-form table td {
  vertical-align: top;
  white-space: nowrap;
}

.dockerfile-build-form input[type="file"] {
  margin: 0px;
}

.dockerfile-build-form .help-text {
  font-size: 13px;
  color: #aaa;
  margin-bottom: 20px;
  padding-left: 22px;
}