html {
  font-size: 20px;
  margin: 0;
  padding: 0;
  background-size: cover;
  line-height: 30px;
}

body {
  margin: 0;
  font-family: sans-serif;
  background-image: url("./image/background/image2.jpg");
}

header {
  padding-top: 2rem;
  text-align: center;
  font-size: 1.5rem;
}

h1 {
  margin-bottom: 12px;
}

.name {
  font-size: 18px;
}

main {
  display: table;
  margin: 0 auto;
  font-size: 22px;
}

.container {
  min-height: 100vh;
  width: 100%;
  background-image: url("./image/background/cute\ pattern\ 2.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  animation-name: animate;
  animation-direction: alternate-reverse;
  animation-duration: 20s;
  animation-fill-mode: forwards;
  animation-iteration-count: infinite;
  animation-play-state: running;
  animation-timing-function: ease-in-out;
}

@keyframes animate {
  0% {
    background-image: url("./image/background/image3.jpg");
  }
  33% {
    background-image: url("./image/background/image2.jpg");
  }
  66% {
    background-image: url("./image/background/image1.jpg");
  }
  100% {
    background-image: url("./image/background/cute\ pattern\ 2.jpg");
  }
}

.done {
  font-weight: bold;
}

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

.tooltip .tooltiptext {
  font-weight: normal;
  font-size: 18px;
  visibility: hidden;
  width: 190px;
  background-color: black;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding-bottom: 5px;
  position: absolute;
  z-index: 1;
  top: -5px;
  left: 110%;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 100%;
  margin-top: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: transparent black transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}