body{margin: 0px;}
a{text-decoration: none; color: red;}
#container {
    height: 100vh;
    display: flex; flex-flow: column nowrap; background-color: saddlebrown; gap: 3px;
}
#title{font-size: 50px;text-align: center; background-color: goldenrod; flex: 0 0 auto;}
#menu{ 
    background-color: tan;
    display: flex; flex-flow: row nowrap;
    justify-content: space-evenly;
    flex: 0 0 30px;
    align-items: center;


}
#container2{
    flex: 1 1 auto;
   display: flex; 
   gap: 3px;
}
#main {
    flex: 1 1 auto; background-color: white;
}
#sidebar {
    flex: 0 0 200px; background-color: tan;
}