<div class="container">
<h2>Safe or Unsafe</h2>
<ul class="wrapper flex">
<li>CSS</li>
<li>JavaScript</li>
<li>CSS: Box Alignment(safe or unsafe)</li>
<li>React</li>
<li>Vue</li>
</ul>
</div>
<form>
<h2>请选择safe或unsafe</h2>
<div class="control">
<label for="safe">Safe or Unsafe:</label>
<select id="safe">
<option value="safe">safe</option>
<option value="unsafe">unsafe</option>
</select>
</div>
</form>
@import 'https://fonts.googleapis.com/css?family=Share+Tech+Mono';
@import 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css';
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
width: 100vw;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
flex-wrap: wrap;
background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1376484/jess-harding-lqT6NAmTaiY-unsplash.jpg'),radial-gradient(#28a3dd, #0d7751);
background-size: cover;
background-position: center;
font-family: "Share Tech Mono", monospace;
background-blend-mode: multiply,screen, overlay;
color: #fff;
}
h2{
font-size: 2rem;
text-align: center;
text-shadow: .05em .05em .01em rgba(0,0,0,.5);
margin-bottom: 2rem;
}
.container {
position: relative;
background-size: cover;
background-position: center;
backdrop-filter: blur(20px);
background-color: rgba(255, 255, 255, 0.5);
border-radius: 5px;
padding:2vw;
box-sizing: border-box;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
transition: .3s ease;
margin: 1vw;
color: #fff;
}
.wrapper {
list-style: none outside none;
position: relative;
margin: 0;
padding: 0;
border: 1px solid currentColor;
border-radius: 0.5em;
color: rgb(71, 73, 84);
width: 10vw;
display: flex;
flex-direction: column;
li {
list-style: none;
padding: 1em;
background: #fff;
border: 1px solid currentColor;
margin: 5px;
border-radius: 5px;
white-space: nowrap;
}
li + li {
border-top: 1px solid currentColor;
}
}
form {
position: fixed;
top: 0;
right: 0;
bottom: 0;
font-size: 14px;
padding: 2vh;
background: rgba(0,0,0,.8);
h2 {
font-size: 14px;
margin-bottom: 3vh;
}
.control {
display: grid;
grid-template-columns: auto 1fr;
margin-bottom: 10px;
place-items: center;
text-align: right;
gap: 10px;
}
p {
position: absolute;
bottom: 10px;
right: 10px;
left: 10px;
font-size: 12px;
text-align: center;
}
}
:root {
--safe: safe;
}
.wrapper{
align-items: var(--safe) center;
}
View Compiled
const safeSelector = document.querySelector('#safe')
safeSelector.addEventListener('change', e => {
document.documentElement.style.setProperty('--safe', e.target.value)
})
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.