body {
    padding: 30px;
    font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

h1 {
    color:blue;
}

a {
    color: #00B7FF;
	cursor: pointer;
}

.sidenav {
    position: absolute;
    height: auto; /* 100% Full-height */
    width: auto; /*0 width - change this with JavaScript */
    z-index: 2; /* Stay on top */
    top: 130px; /* Stay at the top */
    left: 40px;
    /*background-color: lightgray;*/
    overflow-x: hidden; /* Disable horizontal scroll */
    padding-top: 0px; /* Place content 60px from the top */
    transition: 0.5s; /* 0.5 second transition effect to slide in the sidenav */
    display: none;
    color: blue;
    background-color: white;
}

.video {
    position: relative;
    width: 40%;
    height: auto;
    object-fit: contain; /* Not necessary in Chrome */
}
/*#headdiv {
    position: sticky;
    top: 0px;
}*/
#videodiv {
    position: sticky;
    top: 0px;
}

#mainTable table tr:nth-child(even) {
    color: black;
    background: white;
}

#mainTable table {
    width: 40%;
    border-collapse: separate;
    border-spacing: 0px;
    border: none;
}
#mainTable table tbody {
    padding: 0;
    margin: 0;
    border-collapse: collapse;
    border-spacing: 0px;
    border: none;
}
#mainTable table th {
    background: #EEE;
    font-weight: 600;
    padding: 5px 5px;
    text-align: center;
    color: black;
    border: none;
}

#mainTable table td {
    color: black;
    padding: 5px 10px;
    border: none;
}

table {   
counter-reset: rowNumber;
}
table tr {
 counter-increment: rowNumber;
}
    table tr td:first-child::before {
        content: counter(rowNumber);
        min-width: 1em;
        margin-right: 0.5em;
    }

@media screen and (orientation:portrait) {

    body {
        padding: 0px;
    }

    .video {
        width: 100%;
    }

    #mainTable table {
        width: 100%;
    }
}

@media screen and (min-width: 600px) and (max-width: 1400px) {

    .video {
        width: 100%;
    }

    #videodiv {
        position: relative;
    }

    #mainTable table {
        width: 100%;
    }
}