.dd {
position: relative;
display: block;
margin: 0;
padding: 0;
list-style: none;
font-size: 13px;
line-height: 20px;

}

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

}
.dd-list .dd-list {
padding-left: 30px;

}

.dd-item,
.dd-empty,
.dd-placeholder {
display: block;
position: relative;
margin: 0;
padding: 0;
min-height: 20px;
font-size: 12px;
line-height: 20px;
text-transform: uppercase;
}
.dd-handle {
display: block;
height: 30px;
margin: 5px 0;
padding: 5px 10px;
color: #000;
text-decoration: none;
font-weight: bold;
border-left: 3px solid #868e96;
background: #f0f0f0;

}
.dd-handle:hover {
cursor: pointer;
color: maroon;
border-left: 3px solid maroon;
background: #f0f0f0;
}

.dd-item > button {
position: relative;
cursor: pointer;
float: left;
width: 25px;
height: 20px;
margin: 5px 0;
padding: 0;
text-indent: 100%;
white-space: nowrap;
overflow: hidden;
border: 0;
background: transparent;
font-size: 12px;
line-height: 1;
text-align: center;
font-weight: bold;
}
.dd-item > button:before {
display: block;
position: absolute;
width: 100%;
text-align: center;
text-indent: 0;
}
.dd-item > button.dd-expand:before {
content: '+';
}
.dd-item > button.dd-collapse:before {
content: '-';
}
.dd-expand {
display: none;
}
.dd-collapsed .dd-list,
.dd-collapsed .dd-collapse {
display: none;
}
.dd-collapsed .dd-expand {
display: block;
}
.dd-empty,
.dd-placeholder {
margin: 5px 0;
padding: 0;
min-height: 30px;
background: #f2fbff;
border: 1px dashed #b6bcbf;
box-sizing: border-box;
-moz-box-sizing: border-box;
}
.dd-empty {
border: 1px dashed #bbb;
min-height: 100px;
background-color: #e5e5e5;
background-size: 60px 60px;
background-position: 0 0, 30px 30px;
}
.dd-dragel {
position: absolute;
pointer-events: none;
z-index: 9999;
}
.dd-dragel > .dd-item .dd-handle {
margin-top: 0;
}
.dd-dragel .dd-handle {
box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
}
.dd-nochildren .dd-placeholder {
display: none;
}
.nestable-lists {
display: block;
clear: both;
width: 100%;
border: 0;
}
@media only screen and (min-width: 700px) {
.dd {
float: left;
width: 100%;
}
.dd + .dd {
margin-left: 2%;
}

}
.dd-hover > .dd-handle {
background: #2ea8e5 !important;
}