style.css

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

#text {
  font-size: 5vw;
}

#new-game-options {
  position: absolute;
  background: white;
  width: 100vw;
  height: 100vh;
  font-size: 2vw;
  user-select: none;
  padding:1em;
}

#new-game-options input {
  font-size: 2vw;
  margin:0.5em;
}

#new-game-options select {
  font-size: 2vw;
  margin:0.5em;
}



#inputs input {
  height: 25vh;
  font-size: 4vw;
  padding:5px;
}

#inputs input[type="submit"] {
  aspect-ratio: 1;
}


@media only screen and (max-width: 768px) {
  /* For mobile phones: */
  #new-game-options {
    font-size: 5vw;
  }
  #new-game-options input {
    font-size: 6vw;
  }
  #new-game-options select {
    font-size: 6vw;
  }
  #inputs input {
    width:100%;
    font-size:6vw;
  }
}
#letters {
  display: flex;
}

#letters div {
  align-items: center;
  display: flex;
  transition: 300ms;
  aspect-ratio: 1;
  justify-content: center;
  font-size: 8vw;
  font-family: monospace;
  width: 100vw;
  user-select: none;
}
#letters div:hover {
  background: #aaa;
}
#letters div:disabled {
  background: #aaa;
  cursor: auto;
}

.trash {
  font-size:initial!important;
  margin:0.5em;
}

#found {
  font-size: 5vw;
  list-style-position: inside;
  margin:0.25em;
  padding:0.25em;
}
#found li {
  border: rgb(141, 141, 141) 1px solid;
  border-radius: 0.5em;
  padding: 1em ;
}