@media (max-width: 768px) {
    .container {
        width: 100%;
        padding-left: 30px;
        padding-right: 30px;
    }
    .panel {
        margin: 10px auto;
        position: relative;
    }
}
@media (min-width: 768px) {
    .container {
        width: 500px;
    }
    .panel {
        margin: 30px auto;
        position: relative;
    }
}
.panel-footer {
    text-align: right;
}
.panel-footer BUTTON {
    margin-top: 10px;
    margin-left: auto;
    margin-right: 10px;
    margin-bottom: 10px;
}
body {
    background-color: #ffffff;
}