ManageIQ/manageiq-ui-classic

.miq-custom-accordion
 {
   border: 1px solid #e0e0e0;

   li button.bx--accordion__heading {
     background: #e0e0e0;
   }
   .bx--accordion__item:last-child{
     border: 0;
   }

   .bx--accordion__content {
     padding: 20px;
     margin: 0;

     .custom-accordion-buttons {
       display: flex;
       justify-content: flex-end;
     }
   }
 }