/*body{
  margin:0;
  font-family:Arial, sans-serif;
  background:#f5f5f5;
}

header{
  background:#003366;
  color:white;
  text-align:center;
  padding:20px;
}

nav{
  background:#0055a5;
  text-align:center;
  padding:12px;
}

nav a{
  color:white;
  text-decoration:none;
  margin:0 15px;
  font-weight:bold;
}

nav a:hover{
  color:yellow;
}

.container{
  display:flex;
  min-height:80vh;
}

.sidebar{
  width:30%;
  background:#e8e8e8;
  padding:20px;
}

.sidebar button{
  width:100%;
  padding:12px;
  margin-bottom:10px;
  border:none;
  background:#003366;
  color:white;
  font-size:16px;
  cursor:pointer;
}

.sidebar button:hover{
  background:#0055a5;
}

.content{
  width:70%;
  padding:25px;
  background:white;
}

.entry{
  display:none;
}

.entry.active{
  display:block;
}

.entry h2{
  color:#003366;
}

*/

body{
  margin:0;
  font-family:Arial, sans-serif;
  background:#f5f5f5;
}

header{
  background:#003366;
  color:white;
  text-align:center;
  padding:20px;
}

nav{
  background:#0055a5;
  text-align:center;
  padding:12px;
}

nav a{
  color:white;
  text-decoration:none;
  margin:0 15px;
  font-weight:bold;
}

nav a:hover{
  color:yellow;
}

.container{
  display:flex;
  height:80vh;
  
}

.sidebar{
  width:30%;
  background:#e8e8e8;
  padding:20px;
  overflow-y:auto;
}

.sidebar button{
  width:100%;
  padding:12px;
  margin-bottom:10px;
  border:none;
  background:#003366;
  color:white;
  font-size:16px;
  cursor:pointer;
}

.sidebar button:hover{
  background:#0055a5;
}

.content{
  width:70%;
  padding:25px;
  background:white;
  overflow-y:auto;
}

.entry{
  display:none;
}

.entry.active{
  display:block;
}

.entry h2{
  color:#003366;
}