css+js实现垂直透明伸缩滑动菜单导航条效果代码-html代码-BFW代码库

代码语言：html
代码描述：css+js实现垂直透明伸缩滑动菜单导航条效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
    <style>
        :root {
  --bg-one: #090909;
  --bg-two: #424242;
  --sidebar: #070707;
  --selected: #85fcff;
  --text-deselected: #c0c0c0;
  --text-selected: #ffffff;
}

* {
  box-sizing: border-box;
  border: 0;
  margin: 0;
}

html {
  background: url("//repo.bfw.wiki/bfwrepo/image/607e4ca28879b.png") no-repeat center
    center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  position: relative;
  width: var(--sidebar-width);
  height: 55rem;
  border-radius: 10px;
  transition: width 0.5s ease-in-out;
}

.sidebar::before {
  content: "";
  position: absolute;
  width: var(--sidebar-width);
  height: 55rem;
  background-color: rgb(0 0 0 / 70%);
  border-radius: 10px;
  box-shadow: inset 0 0 0.2rem 0.1rem rgb(154 154 154 / 90%),
    0 0 0.1rem 0.1rem rgb(0 0 0 / 70%);
  opacity: 0.3;
}

.side-border {
  position: absolute;
  width: 0.2rem;
  background-color: var(--selected);
  height: 100%;
  border-radius: 10px;
}

.open-anchor,
.close-anchor {
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: var(--selected);
  top: 13.7rem;
  left: -0.65rem;
  cursor: pointer;
}

.open-anchor::after {
  content: "";
  position: absolute;
  border-top: 0.4rem solid transparent;
  border-bottom: 0.4rem solid transparent;
  border-left: 0.5rem solid var(--bg-two);
  left: 0.55rem;
  top: 0.35rem;
}

.close-anchor::after {
  content: "";
  position: absolute;
  border-top: 0.4rem solid transparent;
  border-bottom: 0.4rem solid transparent;
  border-right: 0.5rem solid var(--bg-two);
  left: 0.45rem;
  top: 0.35rem;
}

.expand-sidebar {
  position: absolute;
  width: 2rem;
  height: 100%;
  left: calc(var(--sidebar-width) - 0.4rem);
  z-index: 2;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.expand-sidebar:hover {
  opacity: 1;
}

aside {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 10px;
}

nav {
  position: absolute;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1;
}

ul {
  position: relative;
  padding: 0;
  list-style-type: none;
}

li {
  height: 3.5rem;
}

button,
.deselected-button {
  width: 100%;
  height: 3.5rem;
  background-color: transparent;
  outline: none;
  cursor: pointer;
}

button:hover div > span,
.selected-text {
  color: var(--text-selected);
  opacity: 1;
}

button:hover div > svg {
  stroke: var(--text-selected) !important;
  opacity: 1 !important;
  fill: var(--text-selected);
}

button > div {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  padding: 0rem 0rem 0rem 1.25rem;
}

svg {
  /* display: none; */
  width: 2rem;
  fill: white;
  stroke: white;
  width: 2.7rem;
  opacity: 0.5;
  transform-origin: center;
}

ul {
  display: flex;
  flex-direction: column;
  background-color: transparent;
}

ul:nth-child(2) {
  margin: 2.7rem 0;
}

ul:nth-child(2)::after {
  position: absolute;
  content: "";
  width: calc(var(--sidebar-width) / 1.2);
  height: 0.1rem;
  background-color: var(--bg-two);
  top: 8.3rem;
  left: calc(var(--sidebar-width) / 14);
  opacity: 0.7;
  transition: width 0.1s ease-in-out;
}

ul:nth-child(4) {
  margin-top: auto;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

span,
.deselected-text {
  color: var(--text-deselected);
  font-size: 1.2rem;
  opacity: 0.6;
}

.indicator {
  position: absolute;
  width: 0.5rem;
  height: 3.5rem;
  background-color: var(--selected);
  box-shadow: 0 0 0.2rem 0.2rem rgba(0, 0, 0, 0.1),
    0.5rem 0 1.5rem 0.01rem var(--selected);
  left: -0.65rem;
  top: 9.5rem;
  border-radius: 0.3rem 0.25rem 0.25rem 0.3rem;
  transition: top 0.3s ease-in-out;
}

button div {
  pointer-events: none;
}

.badge {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.5rem;
  border-radius: 1.5rem;
  background-color: red;
  color: white;
  font-size: 0.9rem;
  left: 14rem;
}

.badge-attached {
  transform: scale(0.7);
  left: 2rem;
  top: 0.1rem;
}

.header {
  display: flex;
  align-items: center;
  height: 3.5rem;
  width: 100%;
}

.name {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: Arial, Helvetica, sans-serif;
  padding: 1rem;
  left: 3.5rem;
  top: 0.4rem;
}

.name > span:nth-child(1) {
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--text-selected);
}

.name > span:nth-child(2) {
  font-size: 0.95rem;
  color: var(--text-selected);
}

.name::before {
  content: "S";
  position: absolute;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background-color: var(--text-deselected);
  left: -2.3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.5rem;
  font-weight: bold;
}

@keyframes move-svg {
  0% {
    transform: rotate(10deg);
  }
  50% {
    transform: rotate(20);
  }
  75% {
    transform: rotate(-10deg);
  }
}
    </style>
    </head>
    <body>
     
            
                <div class='sidebar' open='true'>
                    <div class='indicator'></div>
                    <div class='expand-sidebar'>
                        <div class='side-border'></div>
                        <div class='close-anchor'></div>
                    </div>
                    <aside>
                        <nav>
                            <div class='header'>
                                <div class='name'>
                                    <span>Sæbä</span>
                                    <span>Workspace</span>
                                </div>
                            </div>
                            <ul>
                                <li>
                                    <button>
                                        <div id='1'>
                                            <svg>
                                                <use href='#activity'></use>
                                            </svg>
                                            <span>Activity</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='2'>
                                            <svg>
                                                <use href='#tasks'></use>
                                            </svg>
                                            <span>My Tasks</span>
                                            <div class='badge'>23</div>
                                        </div>
                                    </button>
                                </li>
                            </ul>
                            <ul>
                                <li>
                                    <button>
                                        <div id='3'>
                                            <svg>
                                                <use href='#overview'></use>
                                            </svg>
                                            <span>Overview</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='4'>
                                            <svg>
                                                <use href='#projects'></use>
                                            </svg>
                                            <span>Projects</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='5'>
                                            <svg>
                                                <use href='#calendar'></use>
                                            </svg>
                                            <span>Calendar</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='6'>
                                            <svg>
                                                <use href='#campaign'></use>
                                            </svg>
                                            <span>Campaign</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='7'>
                                            <svg>
                                                <use href='#teams'></use>
                                            </svg>
                                            <span>Teams</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='8'>
                                            <svg>
                                                <use href='#analytics'></use>
                                            </svg>
                                            <span>Analytics</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='9'>
                                            <svg>
                                                <use href='#billing'></use>
                                            </svg>
                                            <span>Billing</span>
                                        </div>
                                    </button>
                                </li>
                            </ul>
                            <ul>
                                <li>
                                    <button>
                                        <div id='10'>
                                            <svg>
                                                <use href='#help'></use>
                                            </svg>
                                            <span>Help</span>
                                        </div>
                                    </button>
                                </li>
                                <li>
                                    <button>
                                        <div id='11'>
                                            <svg>
                                                <use href='#settings'></use>
                                            </svg>
                                            <span>Settings</span>
                                        </div>
                                    </button>
                                </li>
                            </ul>
                        </nav>
                    </aside>
                    <svg>
                        <symbol id='activity' xmlns="http://www.w3.org/2000/svg" viewBox="5 0 85 65" fill="none">
                            <path d="M52.81 34.76C52.7811 34.5374 52.6924 34.3268 52.5533 34.1507C52.4141 33.9746 52.2298 33.8395 52.02 33.76L35.02 27.37L42.93 6.55996C43.021 6.30655 43.0279 6.0305 42.9494 5.7729C42.8709 5.51531 42.7113 5.28995 42.4944 5.13036C42.2775 4.97078 42.0149 4.8855 41.7456 4.88723C41.4763 4.88896 41.2148 4.9776 41 5.13996L11.65 28.06C11.4768 28.1992 11.3431 28.3815 11.2624 28.5885C11.1817 28.7956 11.1567 29.0202 11.19 29.24C11.2188 29.4625 11.3076 29.6731 11.4467 29.8492C11.5858 30.0253 11.7701 30.1604 11.98 30.24L28.98 36.63L21.07 57.44C20.9789 57.6934 20.9721 57.9694 21.0506 58.227C21.1291 58.4846 21.2886 58.71 21.5055 58.8696C21.7224 59.0291 21.9851 59.1144 22.2543 59.1127C22.5236 59.111 22.7851 59.0223 23 58.86L52.35 35.94C52.5256 35.8028 52.661 35.6208 52.742 35.4131C52.8229 35.2055 52.8464 34.9798 52.81 34.76ZM25 54.15L31.73 36.32C31.8439 36.0095 31.8313 35.6667 31.6947 35.3655C31.5581 35.0643 31.3086 34.8288 31 34.71L15 28.71L39 9.84996L32.29 27.68C32.1749 27.9879 32.1847 28.3286 32.3174 28.6294C32.45 28.9302 32.695 29.1673 33 29.29L49 35.29L25 54.15Z"/>
                        </symbol>
                        <symbol id='tasks' xmlns="http://www.w3.org/2000/svg" viewBox="0 0 41 27">
                            <defs>
                                <style>
                                    .cls-1 {
                                        fill: none;
                                        stroke-linecap: round;
                                        stroke-linejoin: round;
                                        stroke-width: 2px;
                                        opacity: 0.6;
                                    }
                                </style>
                            </defs>
                            <g i.........完整代码请登录后点击上方下载按钮下载查看