html, body, #site {
    min-height: 100vh;
}

#site {
    display: flex;
    flex-direction: column;
 }
  
 main {
    flex: 1;
 }
 
 @media (min-width: 1000px) {
     nav.navbar {
        min-height: 100px !important;
     }
     
     nav.navbar img {
        min-height: 50px;
        width: auto;
     }
 }