Example
paste the following code into the blogger post's HTML tab
<style>
.tooltip {
position: relative;
display: inline-block;
border-bottom: 1px dotted black;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 120px;
background-color: black;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5px 0;
position: absolute;
z-index: 1;
top: -5px;
right: 110%;
}
.tooltip .tooltiptext::after {
content: "";
position: absolute;
top: 50%;
left: 100%;
margin-top: -5px;
border-width: 5px;
border-style: solid;
border-color: transparent transparent transparent black;
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
</style>
<div class="tooltip">Hover over me
<span class="tooltiptext">Tooltip text</span>
</div>
.tooltip {
position: relative;
display: inline-block;
border-bottom: 1px dotted black;
}
.tooltip .tooltiptext {
visibility: hidden;
width: 120px;
background-color: black;
color: #fff;
text-align: center;
border-radius: 6px;
padding: 5px 0;
position: absolute;
z-index: 1;
top: -5px;
right: 110%;
}
.tooltip .tooltiptext::after {
content: "";
position: absolute;
top: 50%;
left: 100%;
margin-top: -5px;
border-width: 5px;
border-style: solid;
border-color: transparent transparent transparent black;
}
.tooltip:hover .tooltiptext {
visibility: visible;
}
</style>
<div class="tooltip">Hover over me
<span class="tooltiptext">Tooltip text</span>
</div>