<div class="keyboard">
<button class="keyboard__key keyboard__key--meta" type="button" data-key="cmd">
<span class="keyboard__key-lines">
<svg class="keyboard__cmd keyboard__key-line--tr" viewBox="0 0 16 16" width="16px" height="16px" aria-hidden="true">
<path fill="none" stroke="currentcolor" stroke-width="2" d="M5.7,10.3v2.3c0,1.3-1,2.3-2.3,2.3S1,14,1,12.7s1-2.3,2.3-2.3H5.7z M5.7,10.3h4.7 M5.7,10.3V5.7M10.3,10.3v2.3c0,1.3,1,2.3,2.3,2.3s2.3-1,2.3-2.3s-1-2.3-2.3-2.3H10.3z M10.3,10.3V5.7 M10.3,5.7H5.7 M10.3,5.7V3.3c0-1.3,1-2.3,2.3-2.3S15,2,15,3.3s-1,2.3-2.3,2.3H10.3z M5.7,5.7V3.3C5.7,2,4.6,1,3.3,1S1,2,1,3.3s1,2.3,2.3,2.3H5.7z" />
</svg>
<small class="keyboard__key-line keyboard__key-line--small keyboard__key-line--br">command</small>
</span>
</button>
<button class="keyboard__key" type="button" data-key="c">
<span class="keyboard__key-lines">
<span class="keyboard__key-line">C</span>
</span>
</button>
<button class="keyboard__key" type="button" data-key="v">
<span class="keyboard__key-lines">
<span class="keyboard__key-line">V</span>
</span>
</button>
</div>
HTML
格式化
支持Emmet，输入 p 后按 Tab键试试吧！
<head> ... </head>
<body>
</body>
CSS
格式化
* {
border: 0;
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
--hue: 0;
--sat: 0%;
--bg: hsl(var(--hue),var(--sat),90%);
--fg: hsl(var(--hue),var(--sat),10%);
--trans-dur: 0.3s;
font-size: calc(16px + (24 - 16) * (100vw - 320px) / (2560 - 320));
}
body,
button {
color: var(--fg);
font: 1em/1.5 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif;
}
body {
background-color: var(--bg);
background-image: linear-gradient(-45deg,hsla(var(--hue),var(--sat),0%,0),hsla(var(--hue),var(--sat),0%,0.3));
display: flex;
height: 100vh;
transition:
background-color var(--trans-dur),
color var(--trans-dur);
}
.keyboard,
.keyboard:before,
.keyboard:after {
transition:
background-color var(--trans-dur),
box-shadow var(--trans-dur);
}
.keyboard,
.keyboard__key-lines {
display: flex;
}
.keyboard {
background-color: hsl(var(--hue),var(--sat),80%);
background-image: linear-gradient(90deg,hsla(var(--hue),var(--sat),10%,0.4),hsla(var(--hue),var(--sat),10%,0));
border-radius: 0.75em;
box-shadow:
-0.5em -0.5em 0.75em hsla(0,0%,0%,0.6),
0 0 0 1px hsl(var(--hue),var(--sat),67%) inset;
align-items: center;
margin: auto;
padding: 0.375em;
position: relative;
width: 18.5em;
height: 6.5em;
}
.keyboard:before,
.keyboard:after {
background-color: hsl(var(--hue),var(--sat),90%);
content: "";
display: block;
position: absolute;
bottom: 100%;
}
.keyboard:before {
box-shadow:
-0.5em -0.5em 0.75em hsla(0,0%,0%,0.6),
0.25em 0 0.25em hsla(var(--hue),var(--sat),10%,0.2) inset,
0.25em -1.25em 0.5em hsla(var(--hue),var(--sat),10%,0.5) inset;
left: calc(50% - 0.5em);
width: 1em;
height: 40em;
}
.keyboard:after {
border-radius: 0.25em 0.25em 0 0;
box-shadow: 0.375em -0.25em 0.5em hsla(var(--hue),var(--sat),10%,0.5) inset;
left: calc(50% - 0.75em);
width: 1.5em;
height: 1.25em;
}
.keyboard__cmd {
display: block;
width: 1em;
height: 1em;
}
.keyboard__key {
background-color: hsl(var(--hue),var(--sat),95%);
border-radius: 0.5em;
box-shadow:
-0.4em -0.25em 0.25em hsla(0,0%,0%,0.25),
0 0 0 0.1em hsla(0,0%,0%,0.3),
0.04em 0.04em 0.04em hsla(0,0%,0%,0.4) inset,
-0.1em -0.1em 0.04em hsla(0,0%,100%,0.8) inset;
color: hsl(var(--hue),var(--sat),50%);
margin: 0 0.375em;
outline: transparent;
padding: 0.75em;
position: relative;
width: 5em;
height: 5em;
transition:
background-color var(--trans-dur),
box-shadow 0.15s,
color var(--trans-dur);
-webkit-appearance: none;
appearance: none;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
-webkit-tap-highlight-color: transparent;
}
.keyboard__key--meta {
width: 5.5em;
}
.keyboard__key:active,
.keyboard__key.active {
box-shadow:
0 0 0.2em hsla(0,0%,0%,0.2),
0 0 0 0.1em hsla(0,0%,0%,0.4),
0 -0.05em 0 hsla(0,0%,0%,0.6) inset,
-0.05em -0.15em 0.05em hsla(0,0%,100%,0.8) inset;
}
.keyboard__key-line {
font-size: 2em;
line-height: 1;
}
.keyboard__key-line--small {
font-size: 0.875em;
}
.keyboard__key-line--tr {
margin: 0 0 auto auto;
}
.keyboard__key-line--br {
margin: auto 0 0 auto;
}
.keyboard__key-lines {
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
width: 100%;
height: 100%;
transition: transform 0.15s;
}
.keyboard__key:active .keyboard__key-lines,
.keyboard__key.active .keyboard__key-lines {
transform: translateY(-1px);
}
.keyboard__key:before {
box-shadow: 0 0 0 0.5em hsla(223,90%,50%,0);
border-radius: 0.5em;
content: "";
display: block;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
transition: box-shadow var(--trans-dur);
}
.keyboard__key:focus-visible:before {
box-shadow: 0 0 0 0.5em hsla(223,90%,50%,0.5);
}
/* Dark theme */
@media (prefers-color-scheme: dark) {
:root {
--bg: hsl(var(--hue),var(--sat),20%);
--fg: hsl(var(--hue),var(--sat),90%);
}
.keyboard__key {
background-color: hsl(var(--hue),var(--sat),15%);
box-shadow:
-0.4em -0.25em 0.25em hsla(0,0%,0%,0.25),
0 0 0 0.1em hsla(0,0%,0%,0.3),
0.04em 0.04em 0.04em hsla(0,0%,0%,0.4) inset,
-0.1em -0.1em 0.04em hsla(0,0%,100%,0.05) inset;
color: hsl(var(--hue),var(--sat),90%);
}
.keyboard__key:active,
.keyboard__key.active {
box-shadow:
0 0 0.2em hsla(0,0%,0%,0.2),
0 0 0 0.1em hsla(0,0%,0%,0.4),
0 -0.05em 0 hsla(0,0%,0%,0.4) inset,
-0.05em -0.15em 0.05em hsla(0,0%,100%,0.05) inset;
}
}
JS
格式化
window.addEventListener("DOMContentLoaded",() => {
const c = new CopypasteKeyboard(".keyboard");
});
class CopypasteKeyboard {
constructor(el) {
this.el = document.querySelector(el);
this.init();
}
get isMac() {
return /(Mac|iP[ahno]+[de])/i.test(navigator.userAgent);
}
init() {
window.addEventListener("keydown",this.keyAction.bind(this,true));
window.addEventListener("keyup",this.keyAction.bind(this,false));
}
keyAction(down,e) {
let { key } = e;
const isCmd = key === "Meta" && this.isMac;
const isCtrl = key === "Control" && !this.isMac; // for non-Apple only
if (isCmd || isCtrl) key = "cmd";
const keyEl = this.el?.querySelector(`[data-key="${key}"]`);
const activeClass = "active";
if (down === true) keyEl?.classList.add(activeClass);
else keyEl?.classList.remove(activeClass);
}
}