* {
  box-sizing: border-box;
}
body {
  background-color: #deded8;
  font-family: trebuchet, geneva, sans-serif;
  display: flex;
  flex-direction: column;

}
article, aside, footer, header {
  padding:10px;
}
main{
  border-left: solid black 1px;
  border-right: solid black 1px;
  max-width: 1400px;
  margin-left:auto;
  margin-right:auto;
}
header, footer {
  background-color: #333;
  color: #ddd;
  text-align: center;
  border-bottom: 1px solid #fff;
}
h1, h2, h3{
  text-align: center;
}
#columnHolder{
    display:flex;
    flex-direction:row;
}
#sectionContent{
    border-top: solid black 1px;
    padding:10px;
}
#invis{
  display:none;
}
article {
    flex-basis:100%;
    border-right: solid black 1px;
  justify-content: center;
  }

article:nth-child(4){
  border-right:none;
}
nav {
  background-color: white;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
nav a:hover{
  background: #666;
  color: white;
}
ul{
  display: flex;
  flex-direction:row;
  margin:0;
  padding:0;
}
img {align-self: center;
justify-content: center;}
ul li{
  flex: auto;
  list-style-type:none;
  border-right:solid black 1px;
  border-bottom:solid black 1px;
}
ul li:nth-child(1){
  border-left:solid black 1px;
}
ul li a {
  display: flex;
  flex: auto;
  text-align:center;
  text-decoration: none;
  justify-content: center;
  font-size: 1.2rem;
  color: black; 
  padding:10px;
}