* {
   box-sizing: border-box;
 }
 
 channel > title {
   font-size: 2em;
   font-weight: bold;
   display: block;
   width: 75%;
   outline: thin solid black;
   padding: 1em;
   margin: 1em auto;
 }
 
 channel > description , channel > link {
   display: block;
   width: 75%;
   outline: thin solid black;
   padding: 1em;
   margin: 1em auto;
 }
 
 item {
   display: block;
   width: 75%;
   outline: thin solid black;
   padding: 1em;
   margin: 1em auto;
 }
 
 item > title {
   display: block;
 }