:root {
  --clr-primary: hsl(44, 100%, 45%);
  --clr-light: hsl(0, 0%, 90%);
  --clr-disabled: gray;
  --clr-gray-transparent: rgba(60, 60, 60, 0.9);
}

html {
  width: 100%;
  height: 100%;
}

body {
  min-width: 100%;
  min-height: 100%;
  display: flex;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  margin: auto;
  padding: 50px;
  box-shadow: 0 0 100px 0 rgba(0, 0, 0, 0.2);
  border-radius: 20px;
}

.btn {
  position: relative;
  text-decoration: none;
  color: black;
  text-align: center;
  z-index: 1;
  background-color: var(--clr-light);
  font-size: 1em;
  padding: 1em;
  margin: 0.5rem;
}

.btn:not(.btn-disabled):before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
  border-bottom: 5px solid var(--clr-primary);
  transform: scaleX(0);
  transition: transform 300ms ease-in-out;
}

.btn:hover:not(.btn-disabled):before {
  transform: scaleX(1);
}

.btn-disabled {
  color: var(--clr-disabled);
  border: none;
  cursor: not-allowed;
  user-select: none;
}

.btn-disabled::before {
  all: unset;
}

[data-tooltip] {
  position: relative;
}

[data-tooltip]::before,
[data-tooltip]::after {
  --scale: 0;
  --arrow-size: 10px;

  position: absolute;
  top: -0.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(var(--translate-y, 0))
    scale(var(--scale));
  transform-origin: bottom center;
  transition: 150ms transform;
}

[data-tooltip]::before {
  --translate-y: calc(-100% - var(--arrow-size));

  content: attr(data-tooltip);
  font-size: 0.8em;
  color: white;
  padding: 0.5rem;
  border-radius: 0.3rem;
  text-align: center;
  width: max-content;
  max-width: 100%;
  background: var(--clr-gray-transparent);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  --scale: 1;
}

[data-tooltip]::after {
  --translate-y: calc(-1 * var(--arrow-size));

  content: "";
  border: var(--arrow-size) solid transparent;
  border-top-color: var(--clr-gray-transparent);
  transform-origin: top center;
}