#sib-form-wrapper {
    width: fit-content;
    position: relative;
    margin: auto;
    top: 15%;
}
#close {
    float: right;
    padding: 7px 10px;
    font-weight: bold;
}
#close:hover {
    cursor: pointer;
    font-weight: bolder;
    font-size: x-large;
    padding: 0 7px;
}