#v4oauth-result {
    position: fixed;
    top: 10px;
    left: calc(50% - 160px);
    background: #fff;
    width: 320px;
    text-align: center;
    display: inline-block;
    z-index: 1000;
    padding: 7px 30px 7px 10px;
    border: 1px solid green;
    color: green;
    cursor: pointer;
}

#v4oauth-result-close {
    position: absolute;
    font-size: 13px;
    right: 5px;
    top: 5px;
    width: 20px;
    height: 20px;
}

#v4oauth-result-close:before {
    content: "\2715";
    display: block;
}

#v4oauth-result.error {
    border-color: red;
    color: red;
}