.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 300px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

#zr_login-form input, #zr_login-form button {
    width: 100%;
    margin-bottom: 10px;
    padding: 5px;
}

#zr_message {
    margin-top: 10px;
    color: #FCA311;
}

#zr_login-form a {
    margin: 0 auto;
    text-align: center;
    color: #2c91d5;
    padding: 3px;
    display: block;
}