.portal_username_character_filter_tooltip {
    box-sizing: border-box;
    display: block;
    position: absolute;
    background: hsl(45, 100%, 67%);
    color: #333;
    border-radius: 4px;
    box-shadow: 0 2px 5px hsl(0, 0%, 74%);
    padding: 6px 10px;
    z-index: 10;
}