KNACSS/sass/components/forms.scss

/* ----------------------------- */
/* ==Forms                       */
/* ----------------------------- */
/* thanks to HTML5boilerplate and https://shoelace.style/ */

/* forms items */
form,
fieldset {
  border: none;
}

fieldset {
  padding: $medium-value;

  & legend {
    padding: 0 $tiny-value;
    border: 0;
    white-space: normal;
  }
}

label {
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
}

input[type="color"],
input[type="date"],
input[type="datetime-local"],
input[type="email"],
input[type="month"],
input[type="number"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="text"],
input[type="time"],
input[type="url"],
input[type="week"],
select,
textarea {
  white-space: nowrap;
  font-family: inherit;
  font-size: inherit;
  border: 0;
  box-shadow: 0 0 0 1px $color-muted inset;
  color: $color-base;
  vertical-align: middle;
  padding: $tiny-value $small-value;
  margin: 0;
  transition: 0.25s;
  transition-property: box-shadow, background-color, color, border;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input[disabled] {
  opacity: .5;
  cursor: not-allowed;
}

input[readonly] {
  background-color: $color-muted;
}

select {
  padding-right: 2rem;
  border-radius: $border-radius;
  background-image: url("data:image/svg+xml,%3C%3Fxml version='1.0' encoding='UTF-8'%3F%3E%3Csvg width='41px' height='26px' viewBox='0 0 41 26' version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink'%3E%3Cdefs%3E%3C/defs%3E%3Cg id='Page-1' stroke='none' stroke-width='1' fill='none' fill-rule='evenodd'%3E%3Cpolygon id='Path-3' fill='%23000000' points='0 5.38215461 19.9830489 25.3652035 40.1398855 5.20836689 34.9315186 0 19.8691842 15.0623344 4.83971338 0.0328636246'%3E%3C/polygon%3E%3C/g%3E%3C/svg%3E%0A");
  background-position: right .5rem center;
  background-repeat: no-repeat;
  background-size: 1rem;
}

textarea {
  min-height: 5em;
  vertical-align: top;
  resize: vertical;
  white-space: normal;
}

/* 'x' appears on right of search input when text is entered. This removes it */
input[type="search"] {
  &::-webkit-search-decoration,
  &::-webkit-search-cancel-button,
  &::-webkit-search-results-button,
  &::-webkit-search-results-decoration {
    display: none;
  }
}

::-webkit-input-placeholder {
  color: #777;
}

input:-moz-placeholder,
textarea:-moz-placeholder {
  color: #777;
}

progress {
  width: 100%;
  vertical-align: middle;
}