.alert-popup {
    display: block;
    position: absolute;
    box-sizing: border-box;
    z-index: 10000;

    min-width: 200px;

    background: #fff;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);

    visibility: hidden;
    opacity: 0;
    transition: .5s;

    font-size: 13px;
}

.alert-popup.visible {
    visibility: visible;
    opacity: 1;
}

.alert-popup .content {
    position: relative;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 10px;
}

.alert-popup .content:before,
.alert-popup .content:after {
    display: block;
    position: absolute;
    content: '';
    border: solid transparent 7px;
    border-bottom-color: rgba(0, 0, 0, 0.2);
    top: -14px;
    left: 50%;
    margin: 0 0 0 -7px;
    z-index: 10001;
}

.alert-popup .content:after {
    border-bottom-color: #fff;
    top: -12px;
}

.alert-popup .content p {
    display: block;
    font-weight: bold;
    margin: 0 0 5px 0;
}

.alert-popup .content a {
    display: block;
}