Switch按钮

使用CSS+HTML5修改原生checkbox为Switch Button

        .switch {
            width: 45px;
            height: 15px;
            position: relative;
            border: 1px solid #dfdfdf;
            background-color: #c6cacd;
            box-shadow: #dfdfdf 0 0 0 0 inset;
            border-radius: 20px;
            background-clip: content-box;
            display: inline-block;
            -webkit-appearance: none;
            user-select: none;
            outline: none;
        }
        .switch:before {
            content: '';
            width: 16px;
            height: 15px;
            position: absolute;
            top: 0;
            left: 0;
            border-radius: 20px;
            background-color: #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        }
        .switch:checked {
            border-color: #64bd63;
            box-shadow: #64bd63 0 0 0 16px inset;
            background-color: #64bd63;
        }
        .switch:checked:before {
            left: 30px;
        }
        .switch.switch-anim {
            transition: border cubic-bezier(0, 0, 0, 1) 0.4s, box-shadow cubic-bezier(0, 0, 0, 1) 0.4s;
        }
        .switch.switch-anim:before {
            transition: left 0.3s;
        }
        .switch.switch-anim:checked {
            box-shadow: #5fa7fb 0 0 0 16px inset;
            background-color: #5fa7fb;
            transition: border ease 0.4s, box-shadow ease 0.4s, background-color ease 1.2s;
        }
        .switch.switch-anim:checked:before {
            transition: left 0.3s;
        }
        .switch:focus{
    		outline: none !important;
    		border: none !important;
		}        

　　<input class="switch switch-anim" style="border:0" type="checkbox" '+ checked +' onchange="checkNum(this)"></div>

效果：