salix/front/core/components/button-menu/style.scss

vn-button-menu{
    position: relative;
    .button-menu__button {
        padding: 0 10px;
    }
    vn-label{
        float: left;
        margin-top: 1px;
    }
    vn-icon{
        float: left;
        margin-top: 3px;
    }
    vn-icon.button-menu__arrow_down{
        margin: 6px 0  0 5px;
    }
}