.demo-inline-wrapper {
    display: inline-block;
    margin-bottom: 30px;
    vertical-align: top;
}

.demo-inline-wrapper:not(:last-child) {
    margin-right: 30px;
}

.demo-inline-wrapper .form-group {
    margin: 0;
}

.btn-demo > .btn,
.btn-demo > .btn-group {
    margin: 0 10px 10px 0;
}