.tree-left,
.tree-left ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.tree-left ul {
    margin-left: 0.5em;
    position: relative;
}
.tree-left ul ul {
    margin-left: 0.5em;
}
.tree-left ul:before {
    content: "";
    display: block;
    width: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0px;
    border-left: 0.1em solid;
}
.tree-left li {
    margin: 0;
    padding: 0 0 0 25px;
    line-height: 2em;
    color: #369;
    font-weight: 700;
    position: relative;
}
.tree-left li > .info {
    padding: 0.1em 0.5em 0.1em 0.5em;
    margin-left: 1px;
    margin-right: 1px;
    cursor: pointer;
    display: inline;
}
.tree-left li:hover > .info {
    background-color: Moccasin;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-left: 0;
    margin-right: 0;
}
.tree-left ul li:before {
    content: "";
    display: block;
    width: 1em;
    height: 0;
    border-top: 0.1em solid;
    position: absolute;
    top: 1em;
    left: 0;
}
.tree-left .couple {
    padding-left: 14px !important;
}
.tree-left .couple:before {
    border-top: none !important;
}
.tree-left ul li:last-child:before {
    background: #fff;
    height: auto;
    top: 1em;
    bottom: 0;
}
.tree-left .mark,
.tree-left .name {
    display: inline;
}

.tree-left .help {
    cursor: pointer;
    display: inline;
    font-size: 25px;
}
.tree-left .indicator {
    margin-right: 5px;
    cursor: pointer;
}
.tree-left .indicator:before {
    margin-left: 1px;
}

/* Tree Top */

.tree-top {
    transform: rotate(0deg);
    transform-origin: 50%;
}

.tree-top ul {
    position: relative;
    padding: 1em 0;
    white-space: nowrap;
    margin: 0 auto;
    text-align: center;
}
.tree-top ul::after {
    content: "";
    display: table;
    clear: both;
}

.tree-top li {
    display: inline-block;
    vertical-align: top;
    text-align: center;
    list-style-type: none;
    position: relative;
    padding: 1em 0.5em 0 0.5em;
    color: #369;
    font-weight: 700;
}
.tree-top li::before,
.tree-top li::after {
    content: "";
    position: absolute;
    top: 0;
    right: 50%;
    border-top: 0.1em solid #ccc;
    width: 50%;
    height: 1em;
}
.tree-top li::after {
    right: auto;
    left: 50%;
    border-left: 0.1em solid #ccc;
}
.tree-top li:only-child::after,
.tree-top li:only-child::before {
    display: none;
}
.tree-top li:only-child {
    padding-top: 0;
}
.tree-top li:first-child::before,
.tree-top li:last-child::after {
    border: 0 none;
}
.tree-top li:last-child::before {
    border-right: 0.1em solid #ccc;
    border-radius: 0 5px 0 0;
}
.tree-top li:first-child::after {
    border-radius: 5px 0 0 0;
}

.tree-top ul::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    border-left: 0.1em solid #ccc;
    width: 0;
    height: 1em;
}

.tree-top li > .info {
    border: 1px solid #ccc;
    margin-left: 10px;
    padding: 0.2em 0 0.2em -0.2em;
    display: inline-block;
    border-radius: 5px;
    position: relative;
    top: 1px;
    cursor: pointer;
    width: 90px;
    text-overflow: clip;
}

.tree-top li:hover > .info {
    background-color: Moccasin;
}

.tree-top .help {
    cursor: pointer;
    display: inline;
    position: absolute;
    margin-top: -17px;
    margin-left: -15px;
    font-size: 25px;
}

/* common */

.help > i {
    color: gray;
}

.help.selected > i {
    color: black;
}

.help:hover > i {
    color: black;
}