[data-slm] select {
  clip: rect(0, 0, 0, 0);
  position: absolute;
  z-index: 100;
}

.select-m {
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.select-m-toggle {
  position: relative;
  z-index: 110;
}
.select-m-list {
  display: none;
  left: 0;
  position: absolute;
  top: 100%;
  z-index: 120;
}
.select-m.active .select-m-list {
  display: block;
}