.popup1 {
    display: none;
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -30%);
    background: white;
    padding: 20px;
    border: 1px solid black;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.5);
}

.popup1-content {
    position: relative;
}

.close1 {
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 20px;
    cursor: pointer;
}