body {
    margin: 0;
    padding: 0;
}

.format-container {
  display: grid;
  gap: 20px;
  margin-top: 75px;
  justify-items: center;
  overflow-x: hidden;
}

.nav_item {
  border:none;
  position: fixed;
  z-index: 1000;
  top: 0px;
  width: 100%;
  font-size: 1.8rem;
  height: 75px;
  overflow: hidden;
  margin: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.content_item {
  width: 90%;
  padding: 10px;
  border-radius: 8px;
  font-size: 1.8rem;
}

.footer_item {
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
  height: 400px;
  font-size: 1.8rem;
  overflow: hidden;
  border: none;
  margin: 0;
  padding: 0;
  display: block;
  justify-self: stretch;
}

@media (max-width: 750px) {
  .format-container {
    gap: 0px;
    margin-top: 55px;
  }

  .nav_item {
    height: 55px;
  }

  .content_item {
    width: 95%;
    box-sizing: border-box;
    font-size: 1.6rem;
  }

  .footer_item {
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    height: 900px;
    padding: 0;
    font-size: 1.6rem;
    display: block;
    justify-self: stretch;
  }
}