.form-custom-input-number {
    position: relative;
}

.form-custom-input-number .btn-minus,
.form-custom-input-number .btn-plus{
    position: absolute;
}

.form-custom-input-number .btn-minus{
    left: 0px;
    bottom: 1px;
}

.form-custom-input-number .btn-plus{
    left: 32px;
    bottom: 1px;
}

.form-custom-input-number .customInputNumber{
    height: 20px;
    border-radius: 30%;
    width: 60px;
    text-align: center;
    background-color: #F4F4F4;
    border: none;
    outline: none;
}

/* Chrome, Safari, Edge, Opera */
.form-custom-input-number  input.customInputNumber::-webkit-outer-spin-button,
.form-custom-input-number  input.customInputNumber::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
.form-custom-input-number  input[type=number].customInputNumber {
  -moz-appearance: textfield;
}