Basic Buttons
<a href="javascript:void(0)" class="button">Default Button</a>
<a href="javascript:void(0)" class="button button_small">Default Button</a><a href="javascript:void(0)" class="button button_disabled">Disabled Button</a>A button can be disabled, pointer events will not occur.
<a href="javascript:void(0)" class="button button_decline">Decline Button</a><a href="javascript:void(0)" class="button button_cancel button_small">Cancel Button</a>This button only shows when the opportunity to cancel is available.
Special Button
To add an event in the calender
<a href="javascript:void(0)" class="button button_add">+</a>