css3实现的switch开关效果

    <div class="container"> 
        <div class="bg_con"> 
            <input id="checked_1" type="checkbox" class="switch" /> 
            <label for="checked_1"></label> 
        </div> 
    </div>

.switch{ 
        display:none; 
    } 
    label{ 
        position:relative; 
        display: block; 
        padding: 1px; 
        border-radius: 24px; 
        height: 22px; 
        margin-bottom: 15px; 
        background-color: #eee; 
        cursor: pointer; 
        vertical-align: top; 
        -webkit-user-select: none; 
    } 
    label:before{ 
        content: ’’; 
        display: block; 
        border-radius: 24px; 
        height: 22px; 
        background-color: white; 
        -webkit-transform: scale(1, 1); 
        -webkit-transition: all 0.3s ease; 
    } 
    label:after{ 
        content: ’’; 
        position: absolute; 
        top: 50%;   
        left: 50%;   
        margin-top: -11px;   
        margin-left: -11px; 
        width: 22px; 
        height: 22px; 
        border-radius: 22px; 
        background-color: white; 
        box-shadow: 1px 1px 1px 1px rgba(0,0,0,0.08); 
        -webkit-transform: translateX(-9px); 
        -webkit-transition: all 0.3s ease; 
    } 
    .switch:checked~label:after{ 
        -webkit-transform: translateX(9px); 
    } 
     
    .switch:checked~label:before{ 
        background-color:green; 
    }