.nav_back
{
  background-color: #536E83;
}

.navbar
{
  border-radius: 0% !important;
}
 /* タブレットの設定
@media screen and (max-width: 1024px) and (orientation: landscape)
{
  #app > nav > div
  {
      zoom:100%;
  }
  body{
    zoom:80%;
  }
  .container-fluid{zoom:80%}
  .container{zoom:83%}
  
} */