.blackOverlay{
    display: block;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index:9998;
    -moz-opacity: 0.8;
    opacity:.60;
    filter: alpha(opacity=80);
}
.whiteContent {
    display: block;
    position: absolute;
    margin-right: 20%;
    margin-left: 20%;
    padding: 16px;
    background-color: white;
    z-index: 9999;
    overflow: auto;
    font-family: sans-serif;
    border-radius: 10px;
    box-shadow: 1px 1px 8px #000;
}

.close{
    position: absolute;
    top: 2%;
    right: 1%;
    background-color: #CCC;
    padding: 5px;
    font-size: 10px;
    text-decoration: none;
}

.alerta{
    text-align: justify;
}