tooltips are by default inserted as a sibling of their target element.\n  // So reset our font and text properties to avoid inheriting weird values.\n  @include reset-text();\n  @include font-size($tooltip-font-size);\n  // Allow breaking very long words so they don't overflow the tooltip's bounds\n  word-wrap: break-word;\n  opacity: 0;\n\n  &.show { opacity: $tooltip-opacity; }\n\n  .arrow {\n    position: absolute;\n    display: block;\n    width: $tooltip-arrow-width;\n    height: $tooltip-arrow-height;\n\n...