body {
    background-image: url(./bg.png);
    font-size: 25px;
    font-family: Consolas;
}

main {
    margin: 100px auto;
    width: 400px;
    height: 400px;
    background-color: rgba(255, 255, 255, .8);
    display: grid;
    border-radius: 10px;
}

.input {
    margin:auto;
}

input {
    border-radius: 5px;
    border-color: gray;
    border-style: solid;
    border-width: 1px;
    text-align: center;
    width: 200px;
    height: 30px;
}

.input:nth-child(1) {
    grid-row: 1/2;
}

.input:nth-child(2) {
    grid-row: 2/3;
}