.m-stepper {
  height: 20px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}
.m-stepper.m-stepper-disabled .m-stepper-button {
  opacity: 0.4;
}
.m-stepper.m-stepper-disabled input {
  opacity: 0.4;
}
.m-stepper-button {
  position: relative;
  width: 20px;
  height: 20px;
  border-radius: 2px;
}
.m-stepper-button::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 2px;
  top: 50%;
  left: 50%;
  background: rgba(0, 0, 0, 0.65);
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  border-radius: 2px;
}
.m-stepper-button.m-stepper-button-add::before {
  content: '';
  position: absolute;
  width: 2px;
  height: 10px;
  top: 50%;
  left: 50%;
  background: rgba(0, 0, 0, 0.65);
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  border-radius: 2px;
}
.m-stepper-button-disabled {
  opacity: 0.4;
}
.m-stepper-number {
  width: 44px;
  height: 20px;
  font-size: 0;
  position: relative;
  background-color: #f8f8f8;
  border-radius: 2px;
  margin: 0 3px;
  padding: 0 3px;
}
.m-stepper-number input {
  width: 100%;
  height: 20px;
  border: none;
  outline: none;
  font-size: 14px;
  line-height: 10px;
  background-color: transparent;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  text-align: center;
  color: rgba(0, 0, 0, 0.65);
  padding: 0;
  margin: 0;
  display: inline-block;
}