Modèl:Revision/styles.css

.hover:hover {
  background:white;
  color:white;
}

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

.tooltip .tooltiptext {
  visibility: hidden;
  width: 400px;
  background-color:white;
  color: #54595d;
  line-height: 1.2;
  text-align: left;
  border-radius: 3px;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.35);
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  top: 150%;
  margin-left: -400px;
  border:1px solid #a2a9b1;
  font-size:16px;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 100%;
  margin-left: 50px;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
    z-index: 900
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  border:1px solid #a2a9b1;
  font-size:16px;
  z-index: 900
}

.tooltip .tooltiptext {
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 900
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
    z-index: 900
}