.dd {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    list-style: none
}

.dd-list {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    list-style: none
}

.dd-collapsed .dd-list {
    display: none
}

html:not([dir=rtl]) .dd-list .dd-list {
    padding-left: 2rem
}

[dir=rtl] .dd-list .dd-list {
    padding-right: 2rem
}

.dd-item, .dd-empty, .dd-placeholder {
    position: relative;
    display: block;
    margin: 0;
    padding: 0
}

.dd-handle, .dd-content {
    display: block;
    margin: .3125rem 0;
    padding: .3125rem .75rem;
    text-decoration: none;
    cursor: move
}

.dd-handle + .dd-content {
    cursor: auto
}

.dd-item > button {
    position: absolute;
    display: block;
    float: left;
    overflow: hidden;
    margin: .3125rem 0 .3125rem 1px;
    padding: 0;
    width: 2rem;
    border: 0;
    background: transparent;
    text-align: center;
    text-indent: 100%;
    white-space: nowrap;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer
}

.dd-item > button:before {
    content: '+';
    position: absolute;
    display: block;
    width: 100%;
    text-align: center;
    text-indent: 0
}

.dd-item > button[data-action="collapse"]:before {
    content: '-'
}

html:not([dir=rtl]) .dd-item > button ~ .dd-handle {
    padding-left: 2rem
}

[dir=rtl] .dd-item > button ~ .dd-handle {
    padding-right: 2rem
}

.dd-placeholder, .dd-empty {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: .3125rem 0;
    padding: 0;
    border: 1px dashed #b6bcbf;
    background: #f2fbff
}

.dd-empty {
    min-height: 6.25rem;
    border: 1px dashed #bbb
}

.dd-dragel {
    position: absolute;
    z-index: 9999;
    pointer-events: none
}

.dd-dragel > .dd-item .dd-handle {
    margin-top: 0
}

.default-style .dd-handle, .default-style .dd-content {
    border: 1px solid rgba(24, 28, 33, 0.1);
    border-radius: .25rem
}

.default-style .dd-empty {
    background: rgba(24, 28, 33, 0.06)
}

.material-style .dd-handle, .material-style .dd-content {
    border: 1px solid rgba(24, 28, 33, 0.1);
    border-radius: .125rem
}

.material-style .dd-empty {
    background: rgba(24, 28, 33, 0.06)
}