body{
  background-color: lightgrey;

}

h1,h2,h3,h4,p{
  margin: 0;
}

header,footer,#sitefooter,main{
  padding: 20px;
}

#container{
  width: 800px;
  margin: auto;
  font-family: Arial, Helvetica, sans-serif;
  background-color: white;
}

#masthead{
  background-color: black;
}

#masthead a{
  color: white;
  text-decoration: none;
}

#masthead h2{
  color: lightgrey;
}

main {
  display: flex;

}

main div{
  width: 50%;
}

#sitefooter{
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: black;
  color: white;
  margin-top: 50px;
}