.half {
    width: 50%;
    float: left;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: rgb(37, 37, 37);
    color: white;
    text-align: center;
    border-top: black 10px solid;
    height: 150px;
}

.clickable:hover {
    cursor: pointer;
    color: #fff;
}

body {
    background-color: rgb(43, 43, 43);
    color: #ccc;
    padding: 1%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

a {
    color: rgb(0, 132, 255);
}

dialog {
    background-color: rgb(43, 43, 43);
    border: black 5px solid;
    border-radius: 10px;
}

table,
tr,
td {
    border: 1px solid black;
    border-collapse: collapse;
    text-align: center;
}

tr.highlight:hover {
    background-color: rgb(117, 117, 117);
}

td.highlight:hover {
    background-color: rgb(189, 189, 189);
}

.border {
    border: 2px solid black;
}

.tmp {
    background-color: rgb(117, 117, 117);
}

/* Tooltip container */
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black; /* If you want dots under the hoverable text */
}

/* Tooltip text */
.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    padding: 5px 0;
    border-radius: 6px;
    /* Position the tooltip text - see examples below! */
    position: absolute;
    z-index: 1;
}

/* Show the tooltip text when you mouse over the tooltip container */
.tooltip:hover .tooltiptext {
    visibility: visible;
}