a{
   text-decoration: none;
}
body {
  background-color: #fcf894;
}

details > summary {
  list-style: none;
}
details > summary::-webkit-details-marker {
  display: none;
}

.nfo > p {
  max-width: 800px;
  margin-left: 35px;
}

.block{
  background-color: ghostwhite;
  padding: 8px;
  border-style: solid;
  border-color: blue;
  box-shadow: 5px 3px;
  margin: 12px;
}
.block:hover{
  box-shadow: 10px 8px;
  background-color: #dee7f4;
}

.block2{
  background-color:  #c9efba;
  padding: 8px;
  border-style: solid;
  border-color: blue;
  box-shadow: 5px 3px;
  margin: 12px;
  margin-top:0px;
  margin-left:30px;
}
.block2:hover{
  box-shadow: 10px 8px;
  background-color:  #abf48d;
}

.blockin{
  background-color: #f2f6f7;
  padding: 8px;
  border-style: solid;
  border-color: #9bcef7;
  #box-shadow: 5px 3px #9bcef7;
  margin: 12px;
}
.tabs-container {
  
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  grid-template-columns: repeat(4, auto);
  width: 800px;
}

.tabs-container > details {
  
  display: contents;
}

.tabs-container > details > summary {
  background-color: ghostwhite;
  display: flex;
  justify-content: center;
  grid-row: 1;
  cursor: pointer;
  border-style: solid;
  border-color: blue;
  padding: 4px;
}

.tabs-container > details + details > summary {
  border-left: none;
}

.tabs-container > details > summary::marker {
  display: none;
  content: "";
}

.tabs-container > details > div {
  border: 1px solid #ccc;
  padding: 8px;
  grid-column: 1 / -1;
  position: sticky;
  left: 0;
  border-radius: 0 0 4px 4px;
}

.tabs-container > details[open]::details-content {
  display: contents;
}

.tabs-container > details[open] > summary {
  font-weight: bold;
  background-color: #dee7f4;
}

/* Unrelated styles */
:root {
  font-size: 18px;
}

body {
  height: 80vh;
  line-height: 1.5;
  font-family: sans-serif;
  display: grid;
  justify-content: center;
  align-items: center;
}

.page-content {
  width: 100%;
  max-width: 800px;
  display: flex;
}

h2 {
  font-size: 24px;
}

h2 small {
  opacity: 0.7;
  font-weight: normal;
}