.contener
{
    margin-top: 200px;
    text-align: center;
}
h2{
    text-align: center;
    width: 100%;
}
.panel
{
    display: block;
    max-width: 450px;
    margin-right: auto;
    margin-left: auto;
    height: 130px;

}
.save_but
{
    margin-left: auto;
    margin-right: auto;
    top:0;
    float: none;
    margin-top: 70px;
    max-width: 140px;
}
.save_but button
{
    width: 140px;
    height: 32px;
}