a:hover {
  text-decoration: underline;
}

header a {
  text-decoration: none;
}

body {
  font-family: Quicksand;
}

#nav-item {
  font-family: Quicksand;
  font-size: 20px
}


.navbar-link:not(.is-arrowless)::after {
/*  border-color: #fff;*/
}


img.emoji {
  height: 1.2em;
  width: 1.2em;
  margin: 0 .05em 0 .05em;
  vertical-align: -0.1em;
}

.wropper {
  height: 50vh;
  position: relative;
}
.balls-guruguru {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background-color: #fff;
}
.ball {
  width: 50%;
  height: 20px;
  position: absolute;
  top: calc(50% - 10px);
  transform-origin: 100% 50%;
  left: 0;
}
.ball::before {
  content: '';
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #333;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.ball-1::before {
  animation: ball-guruguru 1s linear 0s infinite;
}
.ball-2 {
  transform: rotate(-45deg);
}
.ball-2::before {
  animation: ball-guruguru 1s linear -0.125s infinite;
}
.ball-3 {
  transform: rotate(-90deg);
}
.ball-3::before {
  animation: ball-guruguru 1s linear -0.25s infinite;
}
.ball-4 {
  transform: rotate(-135deg);
}
.ball-4::before {
  animation: ball-guruguru 1s linear -0.375s infinite;
}
.ball-5 {
  transform: rotate(-180deg);
}
.ball-5::before {
  animation: ball-guruguru 1s linear -0.5s infinite;
}
.ball-6 {
  transform: rotate(-225deg);
}
.ball-6::before {
  animation: ball-guruguru 1s linear -0.625s infinite;
}
.ball-7 {
  transform: rotate(-270deg);
}
.ball-7::before {
  animation: ball-guruguru 1s linear -0.75s infinite;
}
.ball-8 {
  transform: rotate(-315deg);
}
.ball-8::before {
  animation: ball-guruguru 1s linear -0.875s infinite;
}
@keyframes ball-guruguru {
  0% {
    width: 20px;
    height: 20px;
    opacity: 1;
  }
  100% {
    width: 6px;
    height: 6px;
    opacity: .2;
    margin-left: 7px;
  }
}

/* Code */
code {
  display: inline-block;
  padding: 0.1em 0.25em; /* 文字周りの余白 */
  color: #444; /* 文字色 */
  background-color: #e7edf3; /* 背景色 */
  border-radius: 3px; /* 角丸 */
  border: solid 1px #d6dde4; /* 枠線 */
}


/* ヘッダー */
h1 {
  font-size: 4em;
}

h2 {
  font-size: 2.3em;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
}

h3 {
  font-size: 1.3em;
}

h4 {
  font-size: 1.1em
}

/* フッター */

footer {
  background-color: #c9c9c9;
/*  position: absolute; */
  bottom: 0; 
}

#footer-columns {
  bottom: 0;
  position: inherit;
}

#footer-credit {
  color: #485fc7;
}

ol {
  padding-left: 2em;
  padding-top: 0.5em;
  padding-bottom: 0.5em;
}