.checktree, .checktree * {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

    .checktree ul {
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .checktree li {
        float: left;
        padding: 3px 0;
        width: 100%;
    }

        .checktree li label {
            vertical-align: middle;
            cursor: pointer;
            padding: 4px 0 2px 0;
            font-size: 14px;
            line-height: 15px;
            float: left;
        }

        .checktree li .arrow {
            width: 14px;
            height: 14px;
            margin: 5px 8px 0;
            cursor: pointer;
            float: left;
        }

        .checktree li .collapsed {
            background: url(../img/checktree_icon.png) no-repeat;
            background-position: 0px -22px;
        }

        .checktree li .expanded {
            background: url(../img/checktree_icon.png) no-repeat;
            background-position: -14px -22px;
        }

        .checktree li .checkbox {
            width: 18px;
            height: 18px;
            cursor: pointer;
            float: left;
            background: url(../img/checktree_icon.png) no-repeat;
            background-position: 1px 0;
            margin-right: 7px;
        }

        .checktree li .checked {
            background-position: -15px 0;
        }

        .checktree li .half_checked {
            background-position: -31px 0;
        }

        .checktree li li .arrow {
            margin-left: 24px;
        }

        .checktree li li li .arrow {
            margin-left: 48px;
        }

        .checktree li li li li .arrow {
            margin-left: 72px;
        }

        .checktree li li li li li .arrow {
            margin-left: 96px;
        }