How to add a text above Header Social

To add a text above Header Social Icons in Squarespace
image

You can use this code to Website Tools > Custom CSS.

div.header-actions.header-actions--right:before {
    content: "Walk-In Only: Sun - Thurs: 5-10pm Fri & Sat: 5-10:30pm";
    display: block;
    color: #fff;
    flex: 100%;
    text-align: right;
    font-family: Montserrat;
    margin-bottom: 20px;
}
div.header-actions.header-actions--right {
    flex-wrap: wrap;
}