.change-box .change-cut {
        margin: 10px auto 40px;
    width: 880px;
}
.change-cut ul{
    margin-left: 0px;}
.change-cut ul li {
    list-style: none;
}
.change-box .change-cut .tab {
     background: #ececec;
	 height:40px;    line-height: 20px;
    color: #000;
    font-size: 16px;
    width: 27%;
    text-align: center;
    border: 1px solid #ececec;
    float: left;
    border-radius: 50px;
    padding: 10px 10px;
    display: block;
    margin-left: 10px;
    transition: ease-in-out .2s;
}
.change-box .change-cut .on {
   background: #4b98ec;
    color: #fff;
    font-size: 16px;
    width: 27%;
    text-align: center;
    border: 1px solid #4b98ec;
    float: left;
    border-radius: 50px;
    padding: 10px 10px;
    line-height: 20px;
    display: block;
    margin-left: 10px;
    transition: ease-in-out .2s;
}