/*当拖动一个连接点时，可连接的连接点会自动使用该css*/
.dragActive {
    border:2px dotted orange;
}
/*当拖动一个连接点到可连接的点时，该点会自动使用该css*/
.dropHover {
    border:1px dotted red;
}
.item {
    opacity: 0.8;
    cursor: pointer;
    text-align: center;
    color: #ffffff;
    border: 1px solid #615f5e;
    background: #615f5e;
    width: 202px;
    height: 50px;
    border-radius: 20px;
    line-height: 48px;
    z-index: 20;
    position: relative;
}
.js_plumb{
    float: left;
    margin-left:50px;
}
.js_item0 .item{
    margin-top: 50px;
    border: 1px solid #4cbfc3;
    background: #4cbfc3;
    z-index: 3

}
.js_item2 .item,.js_item3 .item,.js_item1 .item{
    margin-top: 25px;
}
path{
    cursor: pointer;
}
svg{
    z-index: 4;
}