.centered_form { @extend .col-md-4; @extend .col-md-offset-4; @extend .col-sm-6; @extend .col-sm-offset-3; input[type=submit] { @extend .btn; @extend .btn-primary; @extend .btn-block; } } select.date, select.datetime, select.time { display: inline; width: auto; } @media(min-width:768px) { form .text { height: 180px; } } .form-horizontal { div.boolean { padding: 10px; @extend .col-sm-offset-3; } } .alert-error { @extend .alert-danger; }