/* body */
body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  overflow: scroll;
}
h1 {
  font-size: 4rem;
  text-align: center;
  }
h2 {
  font-size: 1.5rem;
  }
/* layout */
.mainlayout {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.header {
  margin: auto;
  padding-left: 1rem;
  padding-right: 1rem;
  width: fit-content;
}
.sidenav {
  width: 16rem;
  gap: 1rem;
  text-align: center;
}
.sidenav button {
  text-align: left; 
  text-decoration: none;
  font-weight: bold;
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  display: block;
  border: none;
  outline: none;
  color: #a7b1ee;
}
.sidenav button:hover {
  background-color: #a7b1ee!important;
  text-align: center !important;
  color: #ffeaf2;
  font-style: italic !important;
}
.changelog { 
  font-size: 1rem;
  height: 5em;
  overflow: scroll;
  border-style: ridge;
}
/* centerbox */
.centerdiv {
  width: 100%;
}
.centerbox {
  padding: 10px;
  margin-left: 1rem;
  margin-right: 1rem;

}
.centerdiv div:not(:first-child):not(:last-child) {
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.footer  {
  height: fit-content;
  padding: 10px;
  text-align: center;
}
@media (max-width: 768px) {
  div {
    margin-bottom: 0.5rem;
  }
  .header {
  width: 90%;
  }
  .mainlayout {
    display: block;
    width: 100%;
  }

  .sidebar {
    width: 100%;
    margin: 0.5rem auto;
  }

  .sidenav {
    display: block;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    min-height: 4rem;
  }
  .sidenav button {
    flex-shrink: 0;
    padding: 10px 20px;
    font-size: 16px;
    min-width: 24rem;

  }
  .centerdiv {
    width: 100%;
    margin: 0.5rem auto;
    max-width: 100%;
    box-sizing: border-box;
  }
  .centerbox {
  margin-left: 0;
  margin-right: 0;
  }

  }