web-apps/apps/common/main/resources/less/spinner.less

.spinner{
    @spin-height: 22px;
    @trigger-width: 17px;
    position: relative;

    input {
        height: @spin-height;
        text-align: right;
        padding-left: 1px;
        padding-right: @trigger-width + 2px;

        &:focus {
            border-color: @border-preview-select;
        }
    }

    button {
        display: block;
        position: relative;
        width: @trigger-width;
        height: @spin-height/2;
        padding: 0;
        margin: 0;
        border: none;
        background: none;
        line-height: 1;

        &.disabled {
            cursor: default;
        }

        &:focus {
            outline: 0;
            outline-offset: 0;
        }
    }

    .spinner-buttons {
        position: absolute;
        top: 0;
        right: 1px;

        i {
            display: inline-block;
            width: 4px;
            height: 4px;

            border: solid 1px @icon-normal;
            border-bottom: none;
            border-right: none;
        }

        button {
            &.disabled {
                opacity: .35;
            }
        }
    }

    .spinner-up {
        i {
            transform: rotate(45deg) translate(1px,-2px);
        }
    }

    .spinner-down {
        i {
            transform: rotate(-135deg) translate(1px,4px);
        }
    }
}