Block-level help text in forms can be created using .form-text (previously known as .help-block in v3). html by SmokeFrog on Apr 08 2020 Donate . Source: A jQuery plugin that converts a normal select box into a user-friendly filterable multi-select dropdown where your users are able to select one or more options by checking checkboxes. ), , 400 (Authentication information is not given in the correct format. This is slightly more verbose as you must specify id and for attributes to relate the and