#list-builder {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #333;
    filter: alpha(opacity=80);
	opacity: 0.7;
    display: none;
}

#popup-box {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #FFF;
    color: #000;
    max-width: 650px;
    padding: 20px;
    border: 5px solid #000;
    display: none;
}

#popup-close {
    position: absolute;
    top: -5px;
    right: -5px;
    cursor: pointer;
}

#popup-box h1 {
    margin: 0;
}

#popup-box form {
    margin-bottom: 0px;
}

#popup-box input {
}

#popup-box button {

}