body {
    background-color: #F0F0F0;
    margin: 0;
}

* {
    box-sizing: border-box;
}

.header {
    box-shadow: 0px 15px 10px -15px #D0D0D0;
    width: 100%;
    position: fixed;
    background-color: #F0F0F0;
}

/* 创建两个相等的列 */
.column {
    float: left;
}

/* 中间区域宽度 */
.column.middle {
    width: 100%;
    height: 100%;
    margin-top: 60px;
    text-align: center;
}

/* 列后面清除浮动 */
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* 响应式布局 - 宽度小于600px时设置上下布局 */
@media screen and (max-width: 600px) {
    .column.side, .column.middle {
        width: 100%;
    }
}

.searchbutton {
    height: 30px;
    border-bottom-left-radius: 0px;
    border-top-left-radius: 0px;
    border-bottom-right-radius: 8px;
    border-top-right-radius: 8px;
    border: solid 1px #6495ED;
    background: #6495ED;
    color: #FFFFFF;
    font-weight: 550;
    font-size: 15px;
}

.searchbutton:hover {
    cursor: pointer;
}

#vipnumber {
    width: 30%;
    height: 30px;
    border-bottom-left-radius: 8px;
    border-top-left-radius: 8px;
    border: solid 1px #C0C0C0;
}

#vipnumber:focus {
    outline: none;
    border: solid 1px #6495ED;
}

.child {
    width: 80%;
    height: 80px;
    margin-left: 10%;
    //border:1px solid red;
}