body {
  font-family: sans-serif;
  font-size: 16px;
  margin: 20px 50px;
  max-width: 1440px;
}

a { text-decoration:none }

#box1 {
padding: 5px;
background-color:#b0c4de;
}


.yt-uix-button-content{line-height:1.6666em;display:inline-block;vertical-align:middle}