body,html{width:100%;height:100%}.login_container,body,html{margin:0;border:0;padding:0}.login_container{width:100vw;height:100vh;background:#757575}.login_box{width:450px;height:300px;background:#fff;border-radius:5px;position:fixed;left:0;right:0;top:0;bottom:0;margin:auto}.avatar_box{width:130px;height:130px;border:1px solid #eaeaea;border-radius:50%;padding:5px;box-shadow:0 0 5px 0 #fff;position:absolute;left:50%;transform:translate(-50%,-50%);background:#fff}.avatar_box img{width:100%;height:100%;border-radius:50%;background:#eee}.login_form{position:absolute;bottom:0;width:100%;box-sizing:border-box;padding:0 30px}.btns{display:flex;justify-content:flex-end}