1、演示
2、一切尽在代码中
<!DOCTYPE html> <html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>Document</title><style>* {margin: 0;padding: 0;}body {display: flex;justify-content: center;align-items: center;background-color: #0e5271;}span {display: inline-block;width: 600px;height: 300px;background-color: #ccc;border-radius: 160px;margin: 100px auto;padding: 10px;transition: 0.3s all ease-in-out;}span::after {position: absolute;content: "";width: 300px;height: 300px;border-radius: 50%;background-color: #fff;transition: 0.3s all ease-in-out;}input[type="checkbox"]:checked + span {background-color: greenyellow;}input[type="checkbox"]:checked + span::after {transform: translateX(300px);}input[type="checkbox"] {display: none;}input[type="checkbox"]:active + span::after {width: 350px;}input[type="checkbox"]:checked:active + span::after {transform: translateX(250px);}</style></head><body><label for="toggle"><input type="checkbox" id="toggle" /><span></span></label></body> </html>