fronend/plugins/nestable/jquery-nestable.css

/**
 * Nestable
 */

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

.dd-item,
.dd-empty,
.dd-placeholder {
    display: block;
    position: relative;
    margin: 0;
    padding: 0;
    min-height: 20px;
    font-size: 13px;
    line-height: 20px;
}

.dd-handle {
    display: block;
    height: 32px;
    margin: 5px 0;
    padding: 5px 10px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #ccc;
    background: #fafafa;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    line-height: 22px;
}

    .dd-handle:hover {
        color: #2ea8e5;
        background: #fff;
    }

.dd-item > button {
    display: block;
    position: relative;
    cursor: pointer;
    float: left;
    width: 25px;
    height: 20px;
    margin: 6px 0;
    padding: 0;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    border: 0;
    background: transparent;
    font-size: 18px;
    line-height: 1;
    text-align: center;
    font-weight: bold;
}

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

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

.dd-placeholder,
.dd-empty {
    margin: 5px 0;
    padding: 0;
    min-height: 30px;
    background: #f2fbff;
    border: 1px dashed #b6bcbf;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.dd-empty {
    border: 1px dashed #bbb;
    min-height: 100px;
    background-color: #e5e5e5;
    background-image: -webkit-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), -webkit-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff);
    background-image: -moz-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), -moz-linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff);
    background-image: linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff), linear-gradient(45deg, #fff 25%, transparent 25%, transparent 75%, #fff 75%, #fff);
    -ms-background-size: 60px 60px;
    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 {
        -webkit-box-shadow: 2px 4px 6px 0 rgba(0,0,0,.1);
        -ms-box-shadow: 2px 4px 6px 0 rgba(0,0,0,.1);
        box-shadow: 2px 4px 6px 0 rgba(0,0,0,.1);
    }

/**
 * Nestable Extras
 */

.nestable-lists {
    display: block;
    clear: both;
    padding: 30px 0;
    width: 100%;
    border: 0;
    border-top: 2px solid #ddd;
    border-bottom: 2px solid #ddd;
}

#nestable-menu {
    padding: 0;
    margin: 20px 0;
}

.nestable-dark-theme .dd-handle {
    color: #fff;
    border: 1px solid #999;
    background: #bbb;
}

    .nestable-dark-theme .dd-handle:hover {
        background: #bbb;
    }

.nestable-dark-theme .dd-item > button:before {
    color: #fff;
}

@media only screen and (min-width: 700px) {

    .dd {
        float: left;
        width: 100%;
    }

        .dd + .dd {
            margin-left: 2%;
        }
}

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

/**
 * Nestable Draggable Handles
 */

.dd3-content {
    display: block;
    margin: 7px;
    padding: 5px 10px 5px 40px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #ccc;
    background: #f0f0f0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    cursor: default;
}

    .dd3-content:hover {
        color: #2ea8e5;
    }

.dd-dragel > .dd3-item > .dd3-content {
    margin: 0;
}

.dd3-item > button {
    margin-left: 36px;
}

.dd3-handle {
    position: absolute;
    margin: 0;
    left: 0;
    top: 0;
    cursor: move;
    width: 36px;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    border: 1px solid #aaa;
    background: #aaa;
}

    .dd3-handle:before {
        content: '≡';
        display: block;
        position: absolute;
        left: 0;
        top: 3px;
        width: 100%;
        text-align: center;
        text-indent: 0;
        color: #fff;
        font-size: 20px;
        font-weight: normal;
    }

    .dd3-handle:hover {
        background: #aaa;
    }