html {
    overflow-x: scroll;
}

* {
    box-sizing: border-box;
}

main {
    padding: 5px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

div.gantt {
    position: relative;
    padding: 25px 0px;
}

div.row {
    white-space: nowrap;
    position: relative;
    height: 2em;
}

div.row:nth-child(even) {
    background-color: #f2f2f2;
}

div.row>span.axis-tick {
    border-left: 1px solid #777777;
    position: absolute;
    padding-left: 1ch;
    display: inline-block;
    height: 100%;
}

div.row>span.axis-tick:nth-of-type(2) {
    border-left: 0;
}

div.row>span.job {
    display: inline-block;
    height: 100%;
    border-radius: 3px;
    border: 0.5px solid white;
    position: absolute;
}

div.row>span.legend {
    display: inline-block;
    height: 100%;
    border-right: 1px solid #777777;
}

span[data-descr]:hover::after,
span[data-descr]:focus::after {
    content: attr(data-descr);
    position: absolute;
    left: 0px;
    top: 1.8em;
    min-width: 200px;
    border: 1px #aaaaaa solid;
    border-radius: 10px;
    background-color: #ffff8d;
    padding: 6px;
    color: #000000;
    font-size: 14px;
    z-index: 1;
    white-space: pre;
}