* {
  box-sizing: border-box;
}
body {
  width: 98%;
  background-color: #e4e4dc;
  font-family:helvetica, geneva, arial, sans-serif;
  display: flex;
  flex-direction:row;

}
section,article, aside, footer, header {
  padding:0.5rem; /*rem (Relative to Root Font Size)*/
}
img,video,embed{
  max-width: 95%;
}
.container {
width:90%;
max-width:620px;
border: 2px solid black;
margin: 0 auto;  
}
main{
  border-left: solid black 1px;
  border-right: solid black 1px;
  max-width: 1400px;
  margin-left:auto;
  margin-right:auto;
}
header{
  background-color: rgba(20, 148, 151, 0.4);
  color: #ddd;
  text-align: center;
  border-bottom: 1px solid #0d0d0d;
}
footer{
 background-color:#2f7681;
color:#f5fbfc;
text-align:left;
border-bottom: 2px solid #0d0d0d;
}
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;
  }

article:nth-child(4){
  border-right:none;
}
/*default navigation values */

nav {
  background-color: white;
  box-shadow: 0 0 20px rgba(183, 178, 178, 0.1);
}
nav a:hover{
  background: #666;
  color: white;
  padding: .5rem;
}
nav ul{
  display: flex;
  flex-direction:row;
  margin:0;
  padding:0;
}
/* Extra Small Screen*/
@media screen and (min-width:320px){
  body {
  display:flex;
  flex-direction: column;
  max-width: 75 rem;
  }
  main {
 display: flex;
 flex-wrap: wrap;
  }
 nav, header {
  order: -1;
 }
 nav {
  flex-direction: row;
 }
 nav a {
 flex: auto;
 }
 article {
 flex: 50%;
 }
  aside, section {
 flex: 100%;
 }
 section p {
 column-count: 2;
 column-gap: 20px;
  column-rule: 1px solid rgb(8, 8, 8);
  }

/* small screen */
@media screen and (min-width: 768px) {
  body {
  display: flex;
  flex-direction: column;
  max-width: 75 rem;
 }
  main {
 display: flex;
 flex-wrap: wrap;
  }
 nav, header {
  order: -1;
 }
 nav {
  flex-direction: row;
 }
 nav a {
 flex: auto;
 }
 article {
 flex: 50%;
 }
  aside, section {
 flex: 100%;
 }
 section p {
 column-count: 2;
 column-gap: 20px;
  column-rule: 1px solid rgb(8, 8, 8);
 }
/* Medium screen */
@media screen and (min-width: 992px) {
  body {
  display: flex;
  flex-direction: column;
  max-width: 75 rem;
 }
   }
  main {
 display: flex;
 flex-wrap: wrap;
  }
 nav, header {
  order: -1;
 }
 nav {
  flex-direction: row;
 }
 nav a {
 flex: auto;
 }
 article {
 flex: 50%;
 }
  aside, section {
 flex: 100%;
 }
 section p {
 column-count: 2;
 column-gap: 20px;
  column-rule: 1px solid rgb(8, 8, 8);
}


/* large screen */
@media screen and (min-width: 1200px) {
  body {
  display: flex;
  flex-direction: column;
  max-width: 54 rem;
 }
  main {
 display: flex;
 flex-wrap: wrap;
  }
 nav, header {
  order: -1;
 }
 nav {
  flex-direction: row;
 }
 nav a {
 flex: auto;
 }
 article {
 flex: 50%;
 }
  aside, section {
 flex: 100%;
 }
 section p {
 column-count: 2;
 column-gap: 20px;
  column-rule: 1px solid rgb(8, 8, 8);
  
}