.panel .back_button {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.panel .complete_button {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.panel .textfield_anwser {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;   
}
.image_google {
    margin: auto;
    width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.container-footer {
    height: 99px;
    margin-top: 100px;
    clear: both;
}
.container-footer .appeal_button {
    text-decoration: none;
    color: gray;
}.container-footer .appeal_button:hover {
    text-decoration: underline;
    color: purple;
}