.header > *, .footer > *, 
.site-grid {
    max-width: 1100px; /* Укажите желаемую ширину контента */
    margin-left: auto;
    margin-right: auto;
}
html {
    scrollbar-gutter: stable;
}
form.well.order .error {
    color: #FB923C;
}
form.well.order label {
    display: block;
}
form.well.order .form-group input,
form.well.order .form-group select,
form.well.order .form-group textarea {
    width: 100%;      
}
form.well.order .alert-danger,
form.well.order .toast {
    margin: 10px;
}