* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 20px;
  background: #f1f1f1;
}

/* Style the top navigation bar */
.topnav {
  overflow: hidden;
  background-color: #333;
}

/* Style the topnav links */
.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change color on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.column {
  float: left;
}

.profile {
  width: 25%;
  padding-left: 20px;
}

.articles {
  width: 75%;
}

/* Card effect for articles */
.card {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 800px) {
  .articles, .profile {
    width: 100%;
    padding: 0;
  }
}