.popover.top > .arrow::after {
    bottom: 1px;
    margin-left: -10px;
    content: " ";
    border-top-color: #fff;
    border-bottom-width: 0;
}
.popover > .arrow::after {
    content: "";
    border-width: 10px;
}
*::after, *::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.popover {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1060;
    display: none;
    max-width: 276px;
    padding: 1px;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: left;
    text-align: start;
    text-decoration: none;
    text-shadow: none;
    text-transform: none;
    letter-spacing: normal;
    word-break: normal;
    word-spacing: normal;
    word-wrap: normal;
    white-space: normal;
    background-color: #fff;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    border: 1px solid #ccc;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: 6px;
    -webkit-box-shadow: 0 5px 10px rgba(0,0,0,.2);
    box-shadow: 0 5px 10px rgba(0,0,0,.2);
    line-break: auto;
}
.popover-content {
    padding: 9px 14px;
}
.popover.top > .arrow {
    bottom: -11px;
    left: 50%;
    margin-left: -11px;
    border-top-color: #999;
    border-top-color: rgba(0,0,0,.25);
    border-bottom-width: 0;
}
.popover > .arrow {
    border-width: 11px;
}
.popover > .arrow, .popover > .arrow::after {
    position: absolute;
    display: block;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
}
.popover.top {
    margin-top: -10px;
}