body{
    font-family:Arial;
    margin:0;
    background:#f5f5f5;
}
.header{
    background:#1976d2;
    color:white;
    padding:15px;
}
.container{
    padding:5px;
}
.card{
    background:white;
    padding:15px;
    border-radius:5px;
    margin-bottom:10px;
}
input{
    width:100%;
    padding:8px;
    margin-top:5px;
    margin-bottom:10px;
    box-sizing:border-box;
}

select{
    width:100%;
    padding:8px;
    margin-top:5px;
    margin-bottom:10px;
    box-sizing:border-box;
}

button{
    padding:10px;
    margin:5px;
}
table{
    width:100%;
    border-collapse:collapse;
}
th,td{
    border:1px solid #ccc;
    padding:8px;
}
.page{
    display:none;
}


/* Style the navigation menu */
.topnav {
  overflow: hidden;
  background-color: #333;
  position: relative;
}

/* Hide the links inside the navigation menu (except for logo/home) */
.topnav #myLinks {
  display: none;
}

/* Style navigation menu links */
.topnav a {
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
  display: block;
}

/* Style the hamburger menu */
.topnav a.icon {
  background: black;
  display: block;
  position: absolute;
  right: 0;
  top: 0;
}

/* Add a grey background color on mouse-over */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Style the active link (or home/logo) */
.active {
  background-color: #04AA6D;
  color: white;
}