.structure ul {
    list-style: none;
}
.structure__hier_1 {
    margin: 0 5px;
    padding: 0;
}
.structure__item {
    position: relative;
    margin: 15px 5px;
    padding: 0;
}
.structure__item:before {
    content: '';
    position: absolute;
    display: block;
    top: 5px;
    left: 2px;
    width: 5px;
    height: calc(100% - 5px);
    background-color: #fff;
    border-radius: 10px;
    z-index: -1;
    transition: .4s ease-in-out;
}
.structure__item:hover:before, .structure__item:focus:before {
    background-color: #157fc4;
}
.structure__group {
    margin: 0;
    padding: 5px 10px;
    line-height: 1.2;
    background: #ffffff;
    color: #454554;
    box-shadow: 0 5px 15px 0 rgb(0 0 0 / 10%);
    border-radius: 4px;
}
.structure__group h3 {
    margin: 0;
    padding: 0;
    line-height: 1.25;
}
.persone {
    display: flex;
    align-items: center;
}
.persone__photo {
    width: 86px;
    height: 86px;
    margin: 5px 10px 5px 0;
    background-size: 160%;
    background-position: top;
    background-repeat: no-repeat;
    border: 2px solid #fff;
    box-shadow: 0 5px 15px 0 rgb(0 0 0 / 10%);
    border-radius: 64px;
    transition: .4s ease-in-out;
}
.persone__description {
    font-size: 16px;
    color: #454554;
}
.persone__description a {
    color: inherit;
}
.persone__name {
	margin: 5px 0;
}
.persone__name .name--last{
    display: block;
    text-transform: uppercase;
}
.persone__prop {
    display: block;
    max-height: 0px;
    overflow: hidden;
    transition: .4s ease-in-out;
}
.persone__prop .prop--item {
    position: relative;
    margin: 5px 0px;
    padding-left: 20px;
}
.persone__prop .prop--item:before {
    content: '';
    position: absolute;
    top: 2px;
    left: 0;
    width: 16px;
    height: 16px;
    background: url(images/icon.png) no-repeat;
}
.persone__prop .persone__phone:before {
    background-position-x: -81px;
}
.persone__prop .persone__fax:before {
    background-position-x: -121px;
}
.persone__prop .persone__email:before {
    background-position-x: -161px;
}
.persone__prop .prop--item:hover {
    color: #157fc4;
}
.persone__prop .prop--item:hover:before {
    background-position-y: -20px;
}
.structure__buttons {
    display: flex;
    justify-content: space-between;
    margin: 0 5px;
    text-align: right;
}
.structure__btn {
    position: relative;
    padding-left: 20px;
    font-size: 16px;
    color: #454554;
    cursor: pointer;
}
.structure__btn + .structure__btn {
    margin-left: 10px;
}
.structure__btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 16px;
    height: 16px;
    background: url(images/icon.png) no-repeat;
}
.structure__btn:hover:before {
    background-position-y: -20px;
}
.btn-more:before {
    background-position-x: -1px;
    transform: rotate(0deg);
    transition: .4s transform ease-in-out;
}
.btn-go:before {
    background-position-x: -41px;
}
.structure__hier_1 [class*="structure__hier_"] {
    margin: 0;
    margin-left: 10px;
    padding: 0;
    width: calc(100% - 5px);
}
.structure__group.active .persone__photo {
    width: 200px;
    height: 200px;
    background-size: 100%;
    background-position: top;
    background-repeat: no-repeat;
    border: 0px solid #fff;
    border-radius: 4px;
    transition: .4s ease-in-out;
}
.structure__group.active .persone__prop {
    max-height: 150px;
    transition-delay: .25s;
}
.structure__group.active .btn-more:before {
    transform: rotate(-180deg);
}

@media (prefers-color-scheme: dark) {
    
    .structure__item:before {
        background-color: #212121;
    }
    .structure__item:hover:before, .structure__item:focus:before {
        background-color: #50b6f7;
    }
    .structure__group {
        background: #212121;
        color: #f1f1f1;
        box-shadow: 0 5px 10px 2px rgba(69,69,69,.4);
    }
    .persone__photo {
        border: 2px solid #212121;
    }
    .persone__description {
        font-size: 16px;
        color: #f1f1f1;
    }
    .persone__prop .persone__phone:before {
        background-position-x: -101px;
    }
    .persone__prop .persone__fax:before {
        background-position-x: -141px;
    }
    .persone__prop .persone__email:before {
        background-position-x: -181px;
    }
    .persone__prop .prop--item:hover {
        color: #50b6f7;
    }
    .structure__btn {
        color: #f1f1f1;
    }
    .btn-more:before {
        background-position-x: -21px;
    }
    .btn-go:before {
        background-position-x: -61px;
    }
    .structure__group.active .persone__photo {
        border: 0px solid #212121;
    }
}