.number-input {
    --ni-height: 45px;
    --ni-border: 1px solid #bdbdbd;
    --ni-border-radius: 4px;
    --ni-color-background: #ffffff;
    --ni-color-input: inherit;
    --ni-color-button: #656b6b;
    --ni-focus-border-color: #2a2f30;
    --ni-hover-background: #f3f3f3;
    --ni-active-background: #c6c9cb;

    display: -webkit-inline-box;

    display: -ms-inline-flexbox;

    display: inline-flex;
}

.number-input__input,
.number-input__button {
    -webkit-box-flex: 0;
        -ms-flex-positive: 0;
            flex-grow: 0;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    height: var(--ni-height);
    font-family: inherit;
    text-align: center;
    outline: none;
}

.number-input__input {
    padding-right: 1em;
    padding-left: 1em;
    width: 4em;
    font-size: inherit;
    color: var(--ni-color-input);
    background-color: var(--ni-color-background);
    border: var(--ni-border);
    -webkit-transition: border-color 0.15s linear;
    -o-transition: border-color 0.15s linear;
    transition: border-color 0.15s linear;
}

.number-input__input_first {
    border-top-left-radius: var(--ni-border-radius);
    border-bottom-left-radius: var(--ni-border-radius);
}

.number-input__input_last {
    border-top-right-radius: var(--ni-border-radius);
    border-bottom-right-radius: var(--ni-border-radius);
}

.number-input__input:focus {
    border-color: currentColor;
}

.number-input__input::-webkit-outer-spin-button,
.number-input__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.number-input__input[type=number] {
    -moz-appearance: textfield;
}

.number-input__button {
    width: var(--ni-height);
    font-size: 1.5em;
    color: var(--ni-color-button);
    background-color: var(--ni-color-background);
    border-top: var(--ni-border);
    border-bottom: var(--ni-border);
    outline: none;
    -webkit-transition: background-color 0.15s linear, opacity 0.15s linear;
    -o-transition: background-color 0.15s linear, opacity 0.15s linear;
    transition: background-color 0.15s linear, opacity 0.15s linear;
}

.number-input__button:disabled {
    opacity: 0;
}

.number-input__button:hover {
    background-color: var(--ni-hover-background);
}

.number-input__button:focus {
    background-color: var(--ni-hover-background);
    border-color: var(--ni-focus-border-color);
}

.number-input__button:active {
    background-color: var(--ni-active-background);
}

.number-input__button_before {
    border-right: none;
    border-left: var(--ni-border);
    border-top-left-radius: var(--ni-border-radius);
    border-bottom-left-radius: var(--ni-border-radius);
}

.number-input__button_before:focus {
    border-right: 1px solid var(--ni-focus-border-color);
}

.number-input__button_after {
    border-right: var(--ni-border);
    border-left: none;
    border-top-right-radius: var(--ni-border-radius);
    border-bottom-right-radius: var(--ni-border-radius);
}

.number-input__button_after:focus {
    border-left: 1px solid var(--ni-focus-border-color);
}

@media (prefers-reduced-motion: reduce) {
    .number-input__input,
    .number-input__button {
        -webkit-transition: none;
        -o-transition: none;
        transition: none;
    }
}