.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #becbd2;
    color: black;
    text-align: left;
    font-size: 11px;
    border-radius: 6px;
    padding: 5px 10px;
    position: absolute;
    z-index: 1;
    bottom: 150%;
    left: 50%;
    margin-left: -10px;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: black transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
}

.bts-no-select{     
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;  
}

.iframe-container {
    height: 100%;
    overflow: hidden;
    padding-bottom: 50%;
    position: relative;
}

.iframe-container iframe {
    border: 0;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}

/* Small screen */
@media (max-width: 420px) {
    .iframe-container {
        height: 100%;
        <!--padding-bottom: 75%;-->
    }
}

.bts-table-fixed{table-layout: fixed;}
.bts_body{display: block;
                width: 100%;
                overflow: auto;
                height: 80vh;}
.bts_head{display: block;}