#icon_custom, #icon-custom, #custom_icon, #custom-icon
    {
        width: 1.5em;
        height: 1.5em;
        vertical-align: middle;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-right:0.1em ;
    }

#icon-custom-xs
    {
        width: .8em;
        height: .8em;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }