body {
  background-color: white;
  margin: 0;
  color: black;
  font-family: Monospace;
  background-image: url('pattern 617.gif');
  background-size: 65px;
}
    li::marker {
        content: "❤︎";
        color: purple;
    }

* {
  box-sizing: border-box
}

#header {
  width: 100%;
  background-color: white;
  }
  
#flex {
  display: flex;
  }
    
#container {
  max-width: 500px;
  margin: 0 auto;
  background-color: white;
  text-align: center;
}
    
aside {
background-color: white;
width: 100px;
padding: 20px;
font-size: smaller;
/* this makes the sidebar text slightly smaller */
}

main {
background-color: white;
flex: 1;
padding: 20px;
order: 2;
}

* #leftsidebar {
  order: 1;
}

* #rightsidebar {
  order: 3;
}

#footer {
  text-align: center;
}

.box-style {
  border: 2px solid transparent;
  border-image: linear-gradient(to right, red, orange, yellow, green, blue, indigo, violet);
  border-image-slice: 1;
  padding: 5px;
  overflow: hidden;
}


@media only screen and (max-width: 700px) {
#flex {
flex-wrap: wrap;
}

aside {
width: 100%;
}

main {
order: 1;
}
#leftSidebar {
  order: 2;
}

#rightSidebar {
order: 3;
}
}