.popover > .popover-arrow, .popover > .popover-arrow:after {
    left: 50%;
    margin-left: -11px;
    border-top-width: 0;
    top: -11px;
    position: absolute;
    display: block;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
}

.popover > .popover-arrow:after {
    content: ''
}

.popover {
    margin-top: 10px;
    position: relative !important;
    display: block !important;
}