华为手机自带浏览器 弹性盒子

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//横向居中
.horizontal_center{
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-moz-justify-content: center ;
-webkit-justify-content: center ;
justify-content: center;
-webkit-box-align: center;
-moz-align-items: center;
-webkit-align-items: center;
align-items: center;
-webkit-box-direction: row;
-webkit-box-orient: horizontal;
-moz-flex-direction: row;
-webkit-flex-direction: row;
flex-direction: row;
}
//垂直居中
.vertical_center{
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-moz-justify-content: center ;
-webkit-justify-content: center ;
justify-content: center;
-webkit-box-align: center;
-moz-align-items: center;
-webkit-align-items: center;
align-items: center;
-webkit-box-direction: column;
-webkit-box-orient: vertical;
-moz-flex-direction: column;
-webkit-flex-direction: column;
flex-direction: column;

}
在华为手机自带浏览器里面，弹性盒子不识别，求助大佬，这个要怎么处理