.navbar .btn-notification {
    position: relative;
    padding-right: 23px;
}
.navbar .btn-notification .ui-icon-notice {
    background-position: -23px -144px;
}
.navbar .btn-notification .count {
    padding: 1px 3px;
    background: red;
    border-radius: 4px;
    position: absolute;
    right: 4px;
    bottom: 2px;
    display: block;
    line-height: normal;
    font-size: 11px;
    opacity: 0;
    transition: opacity .25s;
}
.navbar .btn-notification .count.visible {
    opacity: 1;
}

.navbar .dropdown-menu-notifications {
    background-color: #f7f7f7;
    width: 250px;
    left: -80px;
    padding: 0;
}
.navbar .dropdown-menu-notifications .scroller {
    max-height: 400px;
    overflow-x: auto;
}
.navbar .dropdown-menu-notifications li {
    padding: 7px 10px;
    color: #000;
    border-top: 0;
    border-bottom-color: #ccc;
    font-size: 13px;
    opacity: .8;
    transition: opacity .2s;
    overflow: hidden;
}
.navbar .dropdown-menu-notifications li:hover {
    opacity: 1;
}
.navbar .dropdown-menu-notifications li.unread {
    background: lightyellow;
}
.navbar .dropdown-menu-notifications li .msg {
    display: block;
    white-space: normal;
    line-height: normal;
    margin-bottom: 4px;
}
.navbar .dropdown-menu-notifications li abbr,
.navbar .dropdown-menu-notifications li .mark-as {
    display: inline-block;
    color: #fff;
    font-size: 11px;
    background: #666;
    border-radius: 3px;
    padding: 2px 4px;
    line-height: 12px;
    opacity: .4;
    transition: opacity .2s;
}
.navbar .dropdown-menu-notifications li abbr:hover,
.navbar .dropdown-menu-notifications li .mark-as:hover {
     opacity: 1;
}

.navbar .dropdown-menu-notifications li .mark-as {
    background: dodgerblue;
    margin-left: 1px;
    cursor: pointer;
    float: right;
}

.navbar .dropdown-menu-notifications li.options {
    opacity: 1;
    background: #999;
    overflow: hidden;
}
.navbar .dropdown-menu-notifications li.options .mark-as {
    padding: 4px 8px;
    opacity: 1;
    background-color: #6CB77C;
    font-size: 12px;
    float: left;
}