.help__block {
    display: inline-block;
    position: relative;
}
.help__content {
    display: none;
    position: absolute;
    top: -15px;
    z-index: 101;
    background-color: #fff;
    border: 1px solid #cecece;
    border-radius: 2px;
    min-width: 400px;
    box-shadow: 0 0 5px 5px #cecece;
}
.help__content.help__content-bottom {
    bottom: 0;
    top: initial;
}
.help__content:hover {
    display: block;
}
.help__trigger:hover + .help__content {
    display: block;
}