body{ min-height:100vh }

.flex-grow { flex: 1 }

.sticky-top { top: 1em }



.scrollable-menu {

	height: auto;

	max-height: 80vh;

	overflow-x: hidden;

	z-index: 1022;

}

.scrollable-menu::-webkit-scrollbar {

	-webkit-appearance: none;

	-moz-appearance: none;

	width: 4px       

}    

.scrollable-menu::-webkit-scrollbar-thumb {

	border-radius: 3px;

	background-color: lightgray;

	-webkit-box-shadow: 0 0 1px rgba(255,255,255,.75);

	-moz-box-shadow: 0 0 1px rgba(255,255,255,.75);

	box-shadow: 0 0 1px rgba(255,255,255,.75)     

}



.ref:focus{ 

    color: #495057;

    background-color: #fff;

    border: 1px solid #ced4da;

    outline: 0;

    box-shadow: none;

}



footer {
      text-align: center;
      padding: 30px 20px;
      font-size: 14px;
      color: #888;
      border-top: 1px solid #ddd;
      background: #fff;
    }