花趣站长网代码在线运行工具

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>CSS-only Flat Iconic Sidebar Navigation with Tooltips</title>
  <style>
  html, body {
  padding: 0;
  margin: 0;
}

html {
  font-size: 62.5%;
}

body {
  display: flex;
  width: 100%;
  height: 100vh;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(135deg, #006a89 -80%, #000 80%);
  font-size: 1.4rem;
}

.sidebar {
  position: relative;
  display: flex;
  width: 8rem;
  background-color: #000;
  border-radius: 0.8rem;
  box-shadow: 2rem 3rem 3.5rem 0.1rem rgba(233, 255, 0, 0.15);
  transition: 0.25s filter ease-in-out, 0.25s box-shadow ease-in-out;
}
.sidebar:hover {
  box-shadow: 1rem 1rem 2.5rem 0.1rem rgba(233, 255, 0, 0.35);
}
.sidebar::before {
  content: " ";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 0.8rem;
  -webkit-backdrop-filter: blur(2rem);
          backdrop-filter: blur(2rem);
}
.sidebar .sidebar__nav {
  position: relative;
  display: flex;
  width: 100%;
  padding: 0.5rem;
  margin: 0;
  flex-direction: column;
  justify-content: center;
  list-style: none;
}
.sidebar .sidebar__nav .nav__item {
  position: relative;
  display: flex;
  width: 100%;
  height: 6rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.4rem;
  cursor: pointer;
}
.sidebar .sidebar__nav .nav__item:before {
  content: " ";
  position: absolute;
  z-index: 2;
  top: auto;
  left: auto;
  width: 7rem;
  height: 7rem;
  border-radius: 0.4rem;
  background-color: #e9ff00;
  will-change: transform, opacity;
  transform-style: preserve-3d;
  transform-origin: center center;
  transform: scale3d(0, 0, 0);
  opacity: 0;
}
.sidebar .sidebar__nav .nav__item:hover:before {
  -webkit-animation: 0.2s fadeInOutScale linear forwards;
          animation: 0.2s fadeInOutScale linear forwards;
}
.sidebar .sidebar__nav .nav__item:hover .item__icon {
  opacity: 1;
  fill: #000;
  transform: scale3d(1, 1, 1);
  transition: 0.3s ease all;
}
.sidebar .sidebar__nav .nav__item:hover .item__tooltip {
  transform: translate3d(3rem, 0, 0);
  opacity: 1;
  visibility: visible;
}
.sidebar .sidebar__nav .nav__item .item__icon {
  position: relative;
  z-index: 9;
  width: 3rem;
  height: 3rem;
  fill: #e9ff00;
  will-change: transform, opacity;
  transform-style: preserve-3d;
  transform-origin: center center;
  transform: scale3d(0.9, 0.9, 0.9);
  opacity: 0.7;
  transition: 0.2s transform ease-in-out;
}
.sidebar .sidebar__nav .nav__item .item__tooltip {
  position: absolute;
  left: 100%;
  display: flex;
  height: 2rem;
  padding: 1rem;
  align-items: center;
  background-color: #000;
  border-radius: 0.4rem;
  will-change: transform, opacity, visibility;
  transform-style: preserve-3d;
  transform: translate3d(4rem, 0, 0);
  opacity: 0;
  visibility: hidden;
  transition: 0.25s ease all;
}
.sidebar .sidebar__nav .nav__item .item__tooltip::before {
  content: " ";
  position: absolute;
  left: -0.9rem;
  top: auto;
  width: 0;
  height: 0;
  border-top: 1rem solid transparent;
  border-bottom: 1rem solid transparent;
  border-right: 1rem solid #000;
}
.sidebar .sidebar__nav .nav__item .item__tooltip .tooltip__text {
  font-family: "Roboto", sans-serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: #e9ff00;
  white-space: nowrap;
}

@-webkit-keyframes fadeInOutScale {
  0% {
    opacity: 0;
    transform: scale3d(0, 0, 0);
  }
  100% {
    opacity: 1;
    transform: scale3d(0.7, 0.7, 0.7);
  }
}

@keyframes fadeInOutScale {
  0% {
    opacity: 0;
    transform: scale3d(0, 0, 0);
  }
  100% {
    opacity: 1;
    transform: scale3d(0.7, 0.7, 0.7);
  }
}
  </style>
</head>
<body>

<nav class="sidebar">
  <ul class="sidebar__nav">
    <li class="nav__item">
      <svg class="item__icon" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path d="M288,256c52.79,0,99.43-49.71,104-110.82,2.27-30.7-7.36-59.33-27.12-80.6C345.33,43.57,318,32,288,32c-30.24,0-57.59,11.5-77,32.38-19.63,21.11-29.2,49.8-27,80.78C188.49,206.28,235.12,256,288,256Z"/><path d="M495.38,439.76c-8.44-46.82-34.79-86.15-76.19-113.75C382.42,301.5,335.83,288,288,288s-94.42,13.5-131.19,38c-41.4,27.6-67.75,66.93-76.19,113.75-1.93,10.73.69,21.34,7.19,29.11A30.94,30.94,0,0,0,112,480H464a30.94,30.94,0,0,0,24.21-11.13C494.69,461.1,497.31,450.49,495.38,439.76Z"/><path d="M104,288V248h40a16,16,0,0,0,0-32H104V176a16,16,0,0,0-32,0v40H32a16,16,0,0,0,0,32H72v40a16,16,0,0,0,32,0Z"/></svg>
      <div class="item__tooltip">
        <span class="tooltip__text">Person add</span>
      </div>
    </li>
    <li class="nav__item">
    <svg class="item__icon" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path d="M452.32,365,327.4,167.12A48.07,48.07,0,0,1,320,141.48V64h15.56c8.61,0,16-6.62,16.43-15.23A16,16,0,0,0,336,32H176.45c-8.61,0-16,6.62-16.43,15.23A16,16,0,0,0,176,64h16v77.48a47.92,47.92,0,0,1-7.41,25.63L59.68,365a74,74,0,0,0-2.5,75.84C70.44,465.19,96.36,480,124.13,480H387.87c27.77,0,53.69-14.81,66.95-39.21A74,74,0,0,0,452.32,365ZM211.66,184.2A79.94,79.94,0,0,0,224,141.48V68a4,4,0,0,1,4-4h56a4,4,0,0,1,4,4v73.48a79.94,79.94,0,0,0,12.35,42.72l57.8,91.53A8,8,0,0,1,351.37,288H160.63a8,8,0,0,1-6.77-12.27Z"/></svg>
      <div class="item__tooltip">
        <span class="tooltip__text">Flask</span>
      </div>
    </li>

<li class="nav__item">
    <svg class="item__icon" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path d="M256,256c-13.47,0-26.94-2.39-37.44-7.17l-148-67.49C63.79,178.26,48,169.25,48,152.24s15.79-26,22.58-29.12L219.86,55.05c20.57-9.4,51.61-9.4,72.19,0l149.37,68.07c6.79,3.09,22.58,12.1,22.58,29.12s-15.79,26-22.58,29.11l-148,67.48C282.94,253.61,269.47,256,256,256ZM432.76,155.14h0Z"/><path d="M441.36,226.81,426.27,220,387.5,237.74l-94,43c-10.5,4.8-24,7.19-37.44,7.19s-26.93-2.39-37.42-7.19l-94.07-43L85.79,220l-15.22,6.84C63.79,229.93,48,239,48,256s15.79,26.08,22.56,29.17l148,67.63C229,357.6,242.49,360,256,360s26.94-2.4,37.44-7.19L441.31,285.2C448.12,282.11,464,273.09,464,256S448.23,229.93,441.36,226.81Z"/><path d="M441.36,330.8,426.27,324,387.5,341.73l-94,42.95c-10.5,4.78-24,7.18-37.44,7.18s-26.93-2.39-37.42-7.18l-94.07-43L85.79,324l-15.22,6.84C63.79,333.93,48,343,48,360s15.79,26.07,22.56,29.15l148,67.59C229,461.52,242.54,464,256,464s26.88-2.48,37.38-7.27l147.92-67.57C448.12,386.08,464,377.06,464,360S448.23,333.93,441.36,330.8Z"/></svg>
      <div class="item__tooltip">
        <span class="tooltip__text">Layers</span>
      </div>
    </li>

<li class="nav__item">
<svg class="item__icon" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path d="M194.82,496a18.36,18.36,0,0,1-18.1-21.53l0-.11L204.83,320H96a16,16,0,0,1-12.44-26.06L302.73,23a18.45,18.45,0,0,1,32.8,13.71c0,.3-.08.59-.13.89L307.19,192H416a16,16,0,0,1,12.44,26.06L209.24,489A18.45,18.45,0,0,1,194.82,496Z"/></svg>
      <div class="item__tooltip">
        <span class="tooltip__text">Flash</span>
      </div>
    </li>

  <script  src="./script.js"></script>

</body>
</html>