.modal-overlay{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);

    justify-content: center;
    align-items: center;
    z-index: 1000;
}
body{
    display:flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.modal-content{
    background-color: white;
    width: 90%;
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    border-radius:10px;
    position: relative;
}