.number-style input {
  display: inline-block;
  width: 50px;
  vertical-align: middle;
  text-align: center;
  font-size: 15px;
  color: #000000;
}

.number-style span{
  position: relative;
  display: inline-block;
  vertical-align: middle;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin: 0 10px;
  cursor: pointer;
  -webkit-user-select:none;
  -moz-user-select:none;
  -o-user-select:none;
  user-select:none;
}

.number-style span.number-minus{
    border: 2px solid orange;
}

.number-style span.number-minus::after{

    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -1px 0 0 -5px;
    width: 10px;
    height: 2px;
    background-color: orange;
}

.number-style span.number-plus{
    border: 2px solid orange;
}

.number-style span.number-plus::after{

    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -1px 0 0 -5px;
    width: 10px;
    height: 2px;
    background-color: orange;
}

.number-style span.number-plus::before{

    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -5px 0 0 -1px;
    width: 2px;
    height: 10px;
    background-color: orange;
}

.number-style span.disabled{
    border: 2px solid #a4a3a0;
}

.number-style span.disabled::after,
.number-style span.disabled::before{

    background-color: #a4a3a0;

}

.number-style input[type='number'] {
    -moz-appearance:textfield;
}

.number-style input::-webkit-outer-spin-button,
.number-style input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}