core/modules/form/res/css/view.css
/*#!less*/
input, textarea {
&.span12 {
width: 100%;
}
}
input[type="radio"], input[type="checkbox"] {
display: block;
clear: left;
float: left;
}
label.radio {
padding-left: 5px;
display: block;
float: left;
margin: 0;
}
.control-group.error {
input, select, textarea {
border: 1px solid #eb6864;
}
}