.ripple {
            position: relative;
            overflow: hidden;
            transform: translate3d(0, 0, 0);
            }
        .ripple:after {
            content: "";
            display: block;
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            background-image: radial-gradient(circle, #333 10%, transparent 10.01%);
            background-repeat: no-repeat;
            background-position: 50%;
            transform: scale(10, 10);
            opacity: 0;
            transition: transform .5s, opacity 1s;
            }
        .ripple:active:after {
            transform: scale(0, 0);
            opacity: .3;
            transition: 0s;
            }
        
        .dropdown-host{
            position: relative;
            display: inline-flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .dropdown-host.frozen{
            pointer-events: none;
        }
        .dropdown-trigger, 
        .dropdown-item
        {
            border: none;
            outline: none;
            background-color: transparent;
            font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;
            font-size: 1rem;
            margin: 0;
            padding: 0;
            text-decoration: none;
            color: inherit;
            padding: .75rem 1.5rem;
            text-align: left;
            white-space: nowrap;
            text-overflow: ellipsis;        
            overflow: hidden; 
            cursor: pointer;
            
        }
        .dropdown-item{
            opacity: 0;
            transform:translateY(75%) scale(0.9);
            transition: opacity 300ms ease 100ms, transform 400ms ease;
        }
        
        .dropdown-trigger:hover,
        .dropdown-trigger:focus,
        .dropdown-item:hover,
        .dropdown-item:hover
        {
            background-color: rgba(0,0,0,0.1)
        }
        .dropdown-list {
            position: absolute;
            padding: 1rem 0rem;
            display: flex;  
	    z-index: 5;
            flex-direction: column;
            box-sizing: border-box;
            transition: opacity 200ms ease, transform 200ms ease 200ms;
            transform: scale(0);
            opacity: 0;   
            box-shadow: -2px 3px 5px -3px rgba(0, 0, 0, .5), 0px 3px 5px 0px rgba(218, 218, 218, .2), 0px 0px 5px 0px rgba(218, 218, 218, .2);
            border-radius: 2px;
            background-color: #fff;
            backface-visibility: hidden;
        }


        .dropdown-host.active .dropdown-list{
            transform:scale(1);
            opacity: 1;
            transition: opacity 200ms ease , transform 200ms ease;
        }
        .dropdown-host.active .dropdown-list .dropdown-item
        {
            opacity: 1;
            transform:translateY(0) scale(1);
            transition: transform 300ms ease 100ms, opacity 300ms ease 100ms;
        }

        .dropdown-host[align="top-left"] .dropdown-list, .dropdown-host:not([align]) .dropdown-list {
            top: 45px;
            left: 0;
            transform-origin: top left; 
        }   

        .dropdown-host[align="top-right"] .dropdown-list{
            top: 45px;
            right: 0;
            transform-origin: top right; 
        }

        .dropdown-host[align="bottom-left"] .dropdown-list{
            bottom: 45px;
            left: 0;
            transform-origin: bottom left; 
        }

        .dropdown-host[align="bottom-right"] .dropdown-list{
            bottom: 45px;
            right: 0;
            transform-origin: bottom right; 
        }