#update {
    background-color: pink;
    border: solid 1px red;
    margin: 20px;
    padding: 20px;
}

#trigger {
    margin: 20px;
}

.loading {
    background-color: grey;
    border: 2px solid black;
    position:absolute;
    top: 100px;
    right: 100px;
    z-index: 9999;
    padding: 30px;
    display: none;
}