[data-hint] {
    position: relative;
}

[data-hint]::after {
    opacity: 0;
    width: 235px;
    color: #FFFFFF;
    background-color: rgba(0,0,0,.7);
    border-radius: 6px;
    padding: 10px;
    content: attr(data-hint);
    font-size: 12px;
    font-weight: 400;
    line-height: 1em;
    position: absolute;
    top: 20px;
    right: -90px;
    transform: translate(-50%, -100%);
    pointer-events: none;
    transition: opacity 0.2s;
}

[data-hint]:focus::after,[data-hint]:hover::after {
    opacity: 1;
}
.hint-icon{
    width: 20px;
    top: 12px;
    left: 5px;
    position: relative;
}