*{
    margin: 0;
    padding: 0;

}
body{
    -webkit-overflow-scrolling : touch;
}
a{
    text-decoration: none;
}
.header{
    position: fixed;
    top: 0;
    left: 0;
}
.menu_default{
    position: fixed;
    top: 0.88rem;
    left: 0;
    z-index: 10;
    background: #fff;
}