body { font-family: “Roboto”, 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 400;
    font-style: normal; 
    margin: 0; 
    padding: 0;
}

    h1 { font-family: “Roboto”,'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 900; font-
        style: normal; }

        
        header {background-color: rgb(77, 152, 213); /* fill */
            /* rgba(255,255,255,0.5) => 0.5 = semi-transparent color */
            
            border: 1px solid black; 
            height: 55px;
            padding: 20px;
            color: white;
font-size: 50px; 
font-weight: 900;
font-style: normal;

            
            
            }

        footer {  background-color: rgb(77, 152, 213); /* fill */
            /* rgba(255,255,255,0.5) => 0.5 = semi-transparent color */
            border: 1px solid black; 
            height: 55px;
            padding: 20px;
            position: fixed;
            bottom: 0;
            width:100vw;
           

     }
        
        footer p {text-align: center;}

        #logo {
            width: 70px;
            height: auto;
            }

            nav ul {
                list-style-type: none;
                }

                nav ul li {
                    display: inline;
                    margin-right: 16px;
                    }

                    a {text-decoration: none;}

                    main {
                        margin-left: 36px;
                        }
                        .thumbnails {
                            display: flex; /* this is called a flexbox */
                            }
                            
                            
                            header span {
                                position: relative;
                                top: -21px;
                                color: black;
                                }

                                body {background-color: rgb(201, 222, 230); /* fill */
                                /* rgba(255,255,255,0.5) => 0.5 = semi-transparent color */}