.flex {
    display: box;
    display: -webkit-box;
    /* iOS 6-, Safari 3.1-6 */
    display: -webkit-flex;
    /* Chrome */
    display: -moz-box;
    /* Firefox 19 */
    display: -ms-flexbox;
    display: flex;
}
/*浏览器检测*/
.checkbrowser{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    line-height: 30px;
    background: rgba(240,173,78,0.9);
    color: #FFF;
    align-items: center;
    justify-content: center;
    z-index: 99;
    overflow: hidden;
    padding-left: 12px;
}
.checkbrowser>a{
    color: inherit;
}