.table_touches { /* table avec touches et détails */
  font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  margin: 1em auto;
  caption-side: bottom;
}

caption {
    font-size: 75%;
    margin-top: 0px;
    text-align: left;
    padding: 5px;
    text-decoration : underline;
}

.table_touches td, .table_touches th {
  border: 1px solid #555;
  padding: 8px;
  text-align: center;
}

.table_touches tr:nth-child(even){background-color: #333;}

.table_touches tr:hover {background-color: #111;}

.table_touches th {
  padding-top: 12px;
  padding-bottom: 12px;
  /* text-align: left; */
  background-color: #4CAF50;
  color: white;
}

.fonction_desactivee {
    text-decoration: line-through;
    font-style: italic;
}

.bien_rouge {
    color: red;
    font-weight: bold;
}

.exergue {
    color: yellow;
    font-weight: bold;
}

.bien_vert {
    color: green;
    font-weight: bold;
}

.bien_rose {
    color: #FFC0CB;
    font-weight: bold;
}

.lettrine::first-letter {
    font-size: 400%;
    color: red;
}
.nouveautes {
    background-color: orange;
    font-weight: bold;
}
.nouveautes::first-letter {
    font-size: 150%;
}
.prix_rouge, .nouveautes {
    background-color: red;
}
.prix_orange{
    background-color: orange;
}
.prix_vert{
    background-color: green;
}
.img_diagramme {    /* image créée avec Dia */
    border-radius: 10px; padding: 10px; margin: 10px auto; background: white;
}


/* Tooltip w3schools
   https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_tooltip */
<style>
/* 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: #555;
  color: #fff;
  text-align: center;
  padding: 5px 0;
  border-radius: 6px;

  /* Position the tooltip text */
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60px;

  /* Fade in tooltip */
  opacity: 0;
  transition: opacity 0.3s;
}

/* Tooltip arrow */
.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

/* Show the tooltip text when you mouse over the tooltip container */
.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}
</style>

/* smartphone */
@media only screen and (max-width: 600px) {
    .table_touches{ /* centrer horiz. les tables sur petit écran */
        margin: 1em auto;
    }
}