* {
    box-sizing: border-box;
  }
  

/* Create two unequal columns that floats next to each other */
/* Left column */
.leftcolumn {   
  float: left;
  width: 50%;
  padding-right: 20px;
}


.leftcolumn.index {   
  float: left;
  width: 33.33%;
  height: 10%;
  padding-right: 20px;
}

.middlecolumn {
  float: left;
  width: 33.33%;
  padding: 0 20px;
}

.rightcolumn.index {
  float: left;
  width: 33%;
  padding: 0 20px;
}

/* Right column */
.rightcolumn {
  float: left;
  width: 50%;
  padding-left: 20px;
}

/* Fake image */
.fakeimg {
  background-color: #aaa;
  width: 100%;
  padding: 20px;
}

/* Add a 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;
}

/* Footer */
.footer {
  padding: 20px;
  text-align: center;
  background: #ddd;
  margin-top: 20px;
}
.roundleft{
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.roundright{
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* 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) {
  .leftcolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
  }
}

/* Responsive layout - when the screen is less than 400px wide, make the navigation links stack on top of each other instead of next to each other */
@media screen and (max-width: 400px) {
  .topnav a {
    float: none;
    width: 100%;
  }
}