atlas_webapp/atlas/n/js/external_lib/backgrid-columnmanager/css/Backgrid.ColumnManager.css

#control {
    margin: 0 0 10px 0;
}

div.columnmanager-visibilitycontrol {
    margin: 0 auto;
    position: relative;
    width: 50px;
}

div.columnmanager-visibilitycontrol > button.dropdown-button {
    background-image: -moz-linear-gradient(top, #ffffff, #dbdbdb);
    background-image: -webkit-gradient(linear,left top,left bottom,
    color-stop(0, #ffffff),color-stop(1, #dbdbdb));
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffffff', EndColorStr='#dbdbdb');
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffffff', EndColorStr='#dbdbdb')";
    border: 1px solid #fff;
    -moz-box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.4);
    -webkit-box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.4);
    box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.4);
    text-decoration: none;
    text-shadow: #fff 0 1px 0;
    color: #597390;
    font-weight: bold;
}

div.columnmanager-visibilitycontrol > button.dropdown-button:hover {
    background-image: -moz-linear-gradient(top, #ffffff, #eeeeee);
    background-image: -webkit-gradient(linear,left top,left bottom,
    color-stop(0, #ffffff),color-stop(1, #eeeeee));
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffffff', EndColorStr='#eeeeee');
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffffff', EndColorStr='#eeeeee')";
    color: #000;
}

div.columnmanager-visibilitycontrol > button.dropdown-button:active {
    background-image: -moz-linear-gradient(top, #dbdbdb, #ffffff);
    background-image: -webkit-gradient(linear,left top,left bottom,
    color-stop(0, #dbdbdb),color-stop(1, #ffffff));
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#dbdbdb', EndColorStr='#ffffff');
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#dbdbdb', EndColorStr='#ffffff')";
    text-shadow: 0px -1px 0 rgba(255, 255, 255, 0.5);
}

div.columnmanager-dropdown-container {
    cursor: default;
    position: absolute;
    z-index: 10;
    top: 0;
    left: 0;
    background: #fff;
    border: solid 1px #bbb;
    -webkit-box-shadow: #999999 0 1px 3px;
    -moz-box-shadow: #999999 0 1px 3px;
    box-shadow: #999999 0 1px 3px;
    width: 200px;
    display: none !important;
    min-height: 20px;
    max-height: 400px;
    font-size: 14px;
    line-height: 1.1em;
    font-weight: normal;
    text-align: left;
    color: #444;
    text-transform: none;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    pointer-events: none;
}

div.columnmanager-dropdown-container.open {
    display: block !important;
    pointer-events: auto;
}

.columnmanager-dropdown-container > li {
    list-style-type:none;
    padding: 5px 0px 0px 20px;
    border-bottom: solid 1px lightgray;
    cursor: pointer;
}

.columnmanager-dropdown-container > li:hover {
    background-color: #f0f0f0;
}

.columnmanager-dropdown-container > li:last-child {
    border-bottom: none;
}

.columnmanager-dropdown-container > li > span.indicator {
    width: 20px;
    display: inline-block;
}
.columnmanager-dropdown-container > li.visible > span.indicator::before {
    content: "✓";
    color: blue;
}

.columnmanager-dropdown-container > li > span.column-label {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    display: inline-block;
    width: 150px;
 }

th.columnVisibility {
    overflow: visible;
}