        /* Popup container */

        .popup {
            position: relative;
            display: inline-block;
            cursor: pointer;
        }

        /* The actual popup (appears on top) */

        .popup .popuptext {
            visibility: hidden;
            /*width: 160px;*/
            background-color: #555;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px;
            position: absolute;
            z-index: 5;
            bottom: 125%;
            left: 40%;
            margin-left: -50px;
        }

        /* Popup arrow */

        .popup .popuptext::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: 5px;
            border-width: 5px;
            border-style: solid;
            border-color: #555 transparent transparent transparent;
        }

        /* Toggle this class when clicking on the popup container (hide and show the popup) */

        .popup .show {
            visibility: visible;
            -webkit-animation: fadeIn 1s;
            animation: fadeIn 1s
        }

        /* Add animation (fade in the popup) */

        @-webkit-keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }