.content_{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.lineEdit_, .button_{
    border: 1px solid black;
    border-radius: 5px;
    margin: 10px;
    font-size: large;
    text-align: center;
    width: 200px;
}
.button_:hover{
    color: white;
    background-color: rgb(9, 117, 42);
}
.button_:focus{
    display: block;
}