Here is a little experiment using HTML5 audio to create an app mockup for an imaginary classic car rental service.
Basic markup
<div class="container">
<div class="app">
<img src="../codepen/mustang/app.png">
<div class="wrapper">
<div class="button-outer">
<div class="glare"></div>
<div class="shape-1">
<div class="shape-2">
<div class="shape-3">
<button id="startEngine" class="btn">
<span class="light"></span>
<span class="sm">Engine</span>
<span>Start</span>
<span>Stop</span>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<audio id="engine" src="../codepen/mustang/start.mp3"></audio>
Add styles
.wrapper {
text-align: center;
position: absolute;
bottom: 50px;
height: 290px;
left: 50%;
display: flex;
align-items: center;
justify-content: center;
padding-top: 100px;
transition: transform 1s;
transform: translateX(-50%);
}
.button-outer {
background: linear-gradient(135deg, #4c4c4e 0%, #414141 34%, #6a6a6a 55%, #212121 100%);
width: 290px;
height: 290px;
margin-left: 5px;
margin-top: 5px;
border-radius: 50%;
box-shadow: 1px 1px 4px rgba(138, 135, 135, 0.68) inset;
overflow: hidden;
position: relative;
transform: translateZ(3px);
transform-style: preserve-3d;
}
.shape-1 {
width: 260px;
height: 260px;
background-color: #1e1e1e;
position: absolute;
top: 15px;
left: 15px;
border-radius: 50%;
box-shadow: 3px 3px 1px 1px #505050 inset, 1px -1px 1px 1px #e6e6e6 inset;
}
.shape-2 {
width: 240px;
height: 240px;
border-radius: 50%;
margin-left: 10px;
margin-top: 10px;
background-color: #101010;
border: 1px solid rgba(94, 94, 94, .7);
box-shadow: -2px -2px 1px rgba(168, 168, 168, 0.8) inset;
transform: translateZ(5px);
}
.shape-3 {
width: 230px;
height: 230px;
margin-top: 5px;
margin-left: 5px;
background-color: #252525;
border-radius: 50%;
border: 1px solid #1c1c1c;
box-sizing: border-box;
box-shadow: -2px 3px 1px #5f5f5f inset;
}
.glare {
width: 220px;
height: 250px;
border-radius: 50%;
background-color: #fff;
margin-left: 35px;
transform: translateY(-50px);
box-shadow: 0 0 50px 37px #fff;
}
.btn {
-webkit-tap-highlight-color: transparent;
background: #666;
border-radius: 50%;
width: 225px;
height: 225px;
margin-left: 2px;
margin-top: 2px;
border: 0;
transition: all 0.1s;
cursor: pointer;
box-shadow: 0 0 10px 3px #000 inset, 0 -50px 100px rgba(0, 0, 0, 0.8) inset, 0 30px 60px rgba(0, 0, 0, 0.8) inset;
box-sizing: border-box;
}
.btn:active {
box-shadow: 0 0 12px 5px #000 inset, 0 -60px 100px rgba(0, 0, 0, 0.8) inset, 0 50px 60px rgba(0, 0, 0, 0.8) inset;
padding-top: 13px;
background-position-y: 6px;
}
.btn:focus {
outline: none;
}
span {
font-family: sans-serif;
text-transform: uppercase;
font-weight: bold;
font-size: 30px;
color: #212121;
transition: all 0.6s;
display: block;
}
.playing span {
color: #C5DEA1;
text-shadow: 0 0 15px #8CA579, 0 0 2px #fff;
}
span.sm {
font-size: 20px;
}
.light {
width: 35px;
height: 15px;
margin: 0 auto;
background-color: #212121;
margin-bottom: 25px;
border-radius: 7px;
border: 1px solid #1b1b1b;
transition: all 0.6s;
}
.playing .light {
background-color: #f9ea1a;
border: 1px solid #923C14;
box-shadow: 0 0 11px 3px #C94A29 inset, 0 0 32px 6px #C77713, 0 0 100px #fff
}
Bringing it to life
let audioElem = document.getElementById("engine");
let startEngine = document.getElementById("startEngine");
startEngine.addEventListener("click", handlePlayButton, false);
playAudio();
async function playAudio() {
try {
await audioElem.play();
startEngine.classList.add("playing");
} catch(err) {
startEngine.classList.remove("playing");
}
}
function handlePlayButton() {
if (audioElem.paused) {
playAudio();
} else {
audioElem.pause();
startEngine.classList.remove("playing");
}
}
Final result
About the author
Simon is a freelance web designer.
Credits
Button concept: https://codepen.io/taltmann42
Image credit: https://unsplash.com/photos/BwBxVVdlpYE
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