Sucess Banner:
<div class="slds-box slds-box_small slds-theme_success">
  
Failure Banner:
<div class="slds-box slds-box_small slds-theme_error">

Warning Banner:
<div class="slds-box slds-box_small slds-theme_warning">

Information Banner:
<div class="slds-box slds-box_small slds-theme_shade">

Success Notification 
<div class="slds-scoped-notification slds-theme_success" role="status">

Failure  Notification
<div class="slds-scoped-notification slds-theme_error" role="status">
  
Warning Notification 
<div class="slds-scoped-notification slds-theme_warning" role="status">