.abuse-popup:before {
    border-bottom: 12px solid #ccc;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    content: "";
    position: absolute;
    right: 7px;
    top: -12px;
}

.abuse-popup:after {
    border-bottom: 10px solid #fff;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    content: "";
    position: absolute;
    right: 9px;
    top: -9px;
}