/* 
#006ec8 
#040809
#f7f7f7
*/

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  /* scroll-behavior: smooth; */
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1;
  font-weight: 300;
  color: #efe7e7;
  background: #006ec8;
}

.grid-2-cols {
  display: grid;
  justify-self: center;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem 0.8rem;
  padding-bottom: 2rem;
}

.grid-3-cols {
  display: grid;
  justify-self: center;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem 0.8rem;
}

.header {
  padding: 2rem 2rem 0 2rem;
}

.header-text {
  display: flex;
  justify-content: center;
  font-size: 4.4rem;
}

.instructions-box {
  display: grid;
  gap: 10px;
  justify-content: center;
  padding-top: 3rem;
  padding: 3rem 2rem 2rem 2rem;
  border-bottom: 2px solid rgba(0, 0, 0, 0.329);
}

.instructions {
  /* padding: 1rem; */
  font-size: 1.6rem;
}

.main-nav-list {
  list-style: none;
  gap: 1.2rem 10rem;
  padding-top: 3rem;
}

.nav-list-item {
  display: flex;
  justify-content: center;
  background-color: #333;
  padding: 10px;
  border: 2px solid #dfdfdf6e;
  border-radius: 10px;
}

.main-nav-link:link,
.main-nav-link:visited {
  display: inline-block;
  text-decoration: none;
  color: #efe7e7;
  font-weight: 500;
  font-size: 1.8rem;
  transition: all 0.3s;
}

.main-nav-link:hover,
.main-nav-link:active {
  color: #7ec5ff;
}

.main {
  padding: 3rem;
}

.section-title {
  display: flex;
  justify-content: center;
  color: #040809;
  background-image: linear-gradient(to right, #efe7e700, #efe7e7, #efe7e700);
  font-size: 2.4rem;
  font-weight: 500;
  padding: 1.8rem;
}

.section-container {
  padding: 2rem 0 2rem 0;
}

.grid-container {
  width: 100%;
}

.word {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  border-radius: 10px;
  border: 2px solid rgba(128, 128, 128, 0.425);
}

.hidden-box {
  border: 2px solid grey;
  border-radius: 10px;
}

.word-hidden {
  opacity: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  width: 100%;
  height: 100%;
}

.word-hidden:hover {
  opacity: 100;
  transition: all 0.3s ease-in-out;
}

.container-back-to-top {
  display: flex;
  justify-self: right;
  border-radius: 10px;
  padding: 0 3rem 10rem 0;
}

.btn-back-to-top {
  padding: 1.4rem;
  background-color: #003764;
  border-radius: 10px;
  border: 2px solid #efe7e780;
}

.btn-back-to-top:link,
.btn-back-to-top:visited {
  display: inline-block;
  text-decoration: none;
  color: #efe7e7;
  font-weight: 500;
  font-size: 1.8rem;
  transition: all 0.3s;
}

.btn-back-to-top:hover,
.btn-back-to-top:active {
  color: #7ec5ff;
}

.footer {
  padding: 2rem;
}