#container {
    display: flex;
}

#main {
    background-image: url("images/yellow_background_pattern.jpg");
    width: 70%;
    min-height: 500px;
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
          border:3px solid rgb(0, 89, 190);
}

#sidebar {
    background-image: url("images/yellow_background_pattern.jpg");
    width: 30%;
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
          border:3px solid rgb(0, 89, 190);
}

body {
    background-image: url("images/spongebob_background.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    margin: 0;

}

#page {
    width: 900px;
    margin: auto;
      
}

#header {
    background-image: url("images/blue_background_patter.jpg");
    background-size: cover;
    padding: 20px;
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
          border:3px solid rgb(0, 89, 190);
    display: flex;
    justify-content: center; /* Centers horizontally */
    align-items: center
    
}

#navbar {
    background-image: url("images/blue_background_patter.jpg");
    background-size: cover;
    padding: 10px;
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
          border:3px solid rgb(0, 89, 190);
}