.custom-select {
  border-radius: 4px;
  position: relative;
  background: #fff;
}

.custom-select:after {
  content: ' ';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 7px;
  vertical-align: middle;
  border-top: 4px solid #000;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  border-bottom: 0 dotted;
  position: absolute;
  right: 10px;
  top: 24px;
  pointer-events: none;
}

.custom-select.disabled {
  opacity: .65;
}

.custom-select.disabled select {
  background: none;
}

.custom-select select {
  background-color: transparent;
  border: 0 none;
  box-shadow: none;
  display: block;
  line-height: normal;
  margin: 0;
  font-size: 100%;
  padding: .5em 1rem .5rem .5rem;
  width: 100%!important;
  color: #000;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 20px;
}

.custom-select select::-ms-expand {
  display: none;
  /* to ie 10 */
}

.custom-select select:focus {
  outline: none;
}

.custom-select select option {
  background: #fff;
  padding: 5px;
}

:-moz-any(.custom-select):before {
  background-color: #fff;
  /* this is necessary for overcome the caret default browser */
  pointer-events: none;
  /* https://developer.mozilla.org/en-US/docs/Web/CSS/pointer-events  */
  z-index: 1;
  /* this is necessary for overcome the pseudo element */
}

.select-default {
  padding: 0;
}

.select-default select {
  height: 32px;
}