* {
    margin: 0;
    padding: 0;
}
body {
    padding: 20px;
}
.stroke {
    margin-top: 10px;
    display: flex;
}
.text {
    margin-left: 5px;
}
.panel {
    width: 300px;
    height: 400px;
    margin: 0 auto;
    text-align: center;
    justify-content: center;
}
.savepassform {
    display: none;
    position: absolute;
    top: calc(50% - 170px);
    left: calc(50% - 120px);
    width: 200px;
    height: 300px;
    padding: 20px;
    border-radius: 10px;
    background-color: cadetblue;
    color: white;
}
.savepassform > input {
    margin-bottom: 20px;
    width: 100%;
    border: none;
    height: 25px;
    border-radius: 5px;
}