#alertModal {
    position: fixed;
    z-index: 1;
    top: 20%;
    left: 20%;
    right: 20%;
    height: 50%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    padding: 20px;
    box-sizing: border-box;
    border-radius: 8px;
}

#alertModal .modalContent {
    background-color: #fefefe;
    margin: 1em 0;
    padding: 20px;
    border: 1px solid #888;
    border-radius: 5px;
}

#alertModal .closeButton {
    color: #fefefe;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

#alertModal h2 {
    margin: 0;
    padding: 10px 10px 20px;
    font-size: 24px;
    font-weight: bold;
    color: #fefefe;
}