.inline-group {
    max-width: 11rem;
    padding: .5rem;
}

    .inline-group .form-control {
        text-align: right;
    }

.form-control[type="number"]::-webkit-inner-spin-button,
.form-control[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.btncillo {
    background: white;
}