*{
    box-sizing: border-box;
}

html,body{
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
#layout_home {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    height: 100%;
  }
#content {
    flex: 1 1 0%;
}
#header {
    background-color: #232f3e;
    color: #ddd;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
}