* {box-sizing: border-box;}

body {
  background-color: #5dc2ab;
  color: #000000;
  font-family: Arial;
  background: linear-gradient(#eeeeee,#5dc2ab);
  background-attachment: fixed;
  margin: 0px;
}


header {
  background-color: #428693;
  color: #000000;
  font-family: Papyrus;
  grid-column: 2 / -2;
  grid-row: 1 / 2;
}

header a {
  text-decoration: none;
  color: #000000;
}

header h1 {
  text-align: center;
  padding-left: 0.5rem;
  margin: 0;
}

h1 {
  line-height: 240%;
  background-image: url("planner.png");
  background-repeat: no-repeat;
  background-position: left;
  background-size: contain;
  height: 72px;
  margin-bottom: 0;
}

nav {
  background-color: #4c737a;
  grid-column: 2 / -2;
  grid-row: 2 / 3;
  text-decoration: none;
  position: sticky;
  top: 0px;
}

nav a {
  color: #b1f2a6;
  padding: 1rem 0rem;
  display: block;
  text-align: center;
}

nav a:hover{
  background-color: #BA1C21;
}

nav ul {
  list-style: none;
  margin: 0px;
  padding: 0px;
  display: flex;
  flex-flow: row nowrap;
}

nav ul li{
  width: 100%;
}

h2 {
  color: #000;
  font-family: Georgia;
}

dt {
  color: #BA1C21;
  font-weight: bold;
}

.dsu {
  color: #BA1C21;
  font-size: 1.2em;
}

footer {
  background-color: #4c737a;
  grid-column: 2 / -2;
  grid-row: 5 / 6;
  font-size: 0.7em;
  font-style: italic;
  text-align: center;
  padding: 1em;
}

h3{
  color: #BA1C21;
}

#wrapper {
  display: grid;
  grid-auto-rows: minmax(0px, auto);
  grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
}

main{
  background-color: #5dbac2;
  color: #000000;
  grid-column: 2 / -2;
  grid-row: 3 / 5;
  padding-top: 1px;
  padding-bottom: 1px;
  padding-left: 2em;
  padding-right: 2em;
  display: block;
}

#calendar{
  height: 200px;
  background-image: url("calendar.jpg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

#checklist{
  height: 200px;
  background-image: url("checklist.jpg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

#scatterplot{
  height: 200px;
  background-image: url("scatterplot.jpg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

section {
  float: left;
  width: 33%;
  padding-right: 1rem;
}

.clear{clear: both;}
.left{float: left;}
.right{float: right;}

#lighterbar{
  background-color: #428693;
  grid-column: 1 / -1;
  grid-row: 1 / 2;
}

#darkerbar{
   background-color: #4c737a;
   grid-column: 1 / -1;
   grid-row: 2 / 3;
}

@media screen and (max-width: 1100px){
  #wrapper {
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 150px)) minmax(0px, 1fr);
  }
}

@media screen and (max-width: 900px){
  
  nav ul {
    flex-flow: column nowrap;
  }

  section {
    float: none;
    width: 100%;
    padding-right: 0px;
  }
}

@media screen and (max-width: 600px){
  
  header h1 {
    background-image: none;
    text-align: center;
  }

  nav {
    grid-column: 1 / -1;
    grid-row: 2 / 3;
  }

  #calendar, #checklist, #scatterplot{
    display: none;
  }
}

table,tr,td{
  border: 1px solid #424242;
  padding: 5px;
  border-spacing: 1px;
  border-collapse: collapse;
}

table {
  margin: 0 auto;
  width: 100%;
}

td{
  text-align: center;
}

tr:nth-of-type(2n){
  background-color: #F3F3F3;
}

input, textarea{
  font-size: 1rem;
  padding: 10px;
  color: #666666;
  background-color: #fafafa;
  border-style: none;
}

input:focus, textarea:focus{
  outline: none;
  background-color: #f0f0f0;
}

form{
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: 200px 1fr;
  grid-gap: 0.75rem;
  width: 100%;
}

label{
  padding: 10px;
  text-align: right;
}

#mySubmit{
  grid-column: 2 / 3;
  width:10rem;
}