.wordpress-helpdesk-livechat-header {
    background-color: #008D55 !important;
}

.wordpress-helpdesk-livechat-message-agent .wordpress-helpdesk-livechat-message {
     background-color: #008D55 !important;
    
}

.menu-toggle, button, .ast-button, .ast-custom-button, .button, input#submit, input[type="button"], input[type="submit"], input[type="reset"] {

    background-color: #008D55 !important; 
    border-color:#008D55 !important;
    
}