css-tooltip/dist/css-tooltip.css

Only CSS lightweight, minimal and simple tooltips

[data-tooltip] {
  position: relative;
  display: inline-block;
}

[data-tooltip]:before, [data-tooltip]:after {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -12px);
  z-index: 1000;
  pointer-events: none;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  opacity: 0;
  transition: opacity .35s ease .25s;
}

[data-tooltip]:before {
  content: attr(data-tooltip);
  background: #333;
  color: #eee;
  padding: 8px 12px;
  white-space: nowrap;
  bottom: 100%;
  border-radius: 3px;
  box-shadow: 0 5px 15px -5px rgba(0, 0, 0, 0.65);
}

[data-tooltip]:after {
  content: '';
  background: transparent;
  border: 8px solid transparent;
  border-top-color: #333;
}

[data-tooltip]:hover:before, [data-tooltip]:hover:after, [data-tooltip]:focus:before, [data-tooltip]:focus:after, [data-tooltip]:active:before, [data-tooltip]:active:after {
  opacity: 1;
}

[data-tooltip].tooltip-multiline:before {
  width: 100vw;
  max-width: 240px;
  white-space: normal;
}

[data-tooltip][class*="tooltip-bottom"]:before, [data-tooltip][class*="tooltip-bottom"]:after {
  transform: translate(-50%, 12px);
}

[data-tooltip][class*="tooltip-bottom"]:before {
  bottom: auto;
  top: 100%;
}

[data-tooltip][class*="tooltip-bottom"]:after {
  bottom: 0;
  border: 8px solid transparent;
  border-bottom-color: #333;
}

[data-tooltip].tooltip-bottom-left:before {
  transform: translate(-24px, 12px);
}

[data-tooltip].tooltip-bottom-right:before {
  left: auto;
  right: 50%;
  transform: translate(24px, 12px);
}

[data-tooltip].tooltip-top-left:before {
  transform: translate(-24px, -12px);
}

[data-tooltip].tooltip-top-right:before {
  left: auto;
  right: 50%;
  transform: translate(24px, -12px);
}