@salesforce-ux/design-system/css/docked-form-footer/base/index.css

Salesforce Lightning Design System

/*! Lightning Design System 2.12.0 */
@charset "UTF-8";
.slds-docked-form-footer {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 0.5rem 0;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #f3f2f2;
  -webkit-box-shadow: 0 -2px 2px 0 rgba(0, 0, 0, 0.16);
  box-shadow: 0 -2px 2px 0 rgba(0, 0, 0, 0.16);
  z-index: 8000;
}