* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

portal_header {
  display: block;
  height: 40px;
  width: 100%;
  background-color: #fff;
  border-bottom: 1px solid #ccc;
  padding: 0 10px;
  box-sizing: border-box;
  position: sticky;
}

portal_header_left {
  display: block;
  height: 100%;
  width: calc(100% - 300px);
  float: left;
  padding: 10px;
}

portal_header_left_logo {
  display: inline-block;
  height: 100%;
  width: 100px;
}

portal_header_left_menu {
  display: inline-block;
  height: 100%;
  width: calc(100% - 100px);
}

portal_header_left_menu a {
  display: inline-block;
  margin: 0 3px;
}

portal_header_right {
  display: block;
  height: 100%;
  width: 300px;
  padding: 10px;
  text-align: right;
  float: right;
}

portal_header_right a {
  display: inline-block;
  margin: 0 3px;
}

portal_header_right_user {
  display: block;
  height: 100%;
  width: 100%;
}

portal_header_right_menu {
  display: block;
  height: 100%;
  width: 100%;
}

portal_main {
  display: block;
  height: calc(100% - 40px);
  width: 100%;
}

iframe#app_container {
  /* box-sizing: content-box; */
  height: calc(100% - 44px);
  width: 100%;
  border: none;
}