* {
  margin: 0;
  padding: 0;
}

body {
  background-color:white;
}

a {
  text-decoration: none;
  color: black;
}

header ul {
  list-style-type: none;
  display: inline-block;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 10px;
}

li, #about, button {
  cursor: pointer;
}

#logo {
  margin-left: -280px;
}

header h3 {
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

header li {
  display: block;
  float: left;
  margin: 3px 15px 0px 0px;
  padding: 8px 15px;
  border-top-left-radius: 7px;
  border-top-right-radius: 7px;
  border-top-style: solid;
  border-top-width: 1px;
  border-right-style: solid;
  border-right-width: 1px;
  border-left-style: solid;
  border-left-width: 1px;
  border-color: rgba(17, 1, 1, 0.068);
  outline-color: rgb(34, 34, 34);
  z-index: 2;
}

.menu {
  z-index: 0;
  box-shadow: 0 0px 3px grey;
  z-index: 0;
}

main li {
  display: inline-block;
  margin: 2px 3px;
  padding: 10px 10px;
  border-radius: 15px;
}

main li:hover {
  background-color: rgba(119, 100, 100, 0.233);
}

/* #numbers {
  background-color: rgba(237, 225, 209, 0.4);
} */

/* #sudoku {
  background-color: rgba(152, 251, 152, 0.4);
} */

/* #trivia {
  background-color: rgb(135, 206, 235);
} */

#trivia:hover {
  background-color: rgba(135, 206, 235, 1);
}

#findWords:hover {
  background-color: rgba(152, 251, 152, 1);
}

#difficulty {
  position: relative;
}

.difficulty-options {
  display: none;
  position: absolute;
  margin: 8px 0 0 -10px;
  padding: 3px 10px;
  width: 75px;
  line-height: 30px;
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
  z-index: 0;
}

.difficulty-options a {
  padding: 3px 8px 3px 2px;
  display: block;
  border-radius: 15px;
}

.difficulty-options a:hover {
  background-color: rgba(119, 100, 100, 0.233);
}

#difficulty:hover .difficulty-options {
  display: block;
}

footer {
  bottom: 0;
  position: absolute;
  width: 100%;
  box-shadow: 0 0px 1px grey;
  height: 40px;
}

footer span {
  display: flex;
  justify-content: center;
  padding: 5px 20px;
}

#mid {
  display: grid;
  justify-content: center;
}

@media only screen and (max-width: 600px) {  
  #logo, #about {
    display: none;
   }
  
  header li {
    margin: 3px 4px 0px 0px;
  }

  footer {
    display: none;
  }
}