body {font-family: Arial, sans-serif;
display: flex;
flex-direction: column;
min-height: 100vh;

}

#title {background-color:blue;
    color: black;
    padding: 1rem;
    text-align: center;
    
}
.container{
    display: flex;
    flex: 1;
}
nav {
    background-color: green;
    width: 150px;
    padding: 1rem;
}
main {
    flex: 1;
    padding: 1rem;
    background-color:red;
}
#button {font-size: 20px; background-color:white; border-radius: 10px;
box-shadow: 5px 10px; 
}
#menu {text-align: center;}