body {
  background: #ccc;
  color: #000;
  font-size: 1rem;
  line-height: 1.5;
  text-align: center;
  margin: 0;
  padding: 0;
}

header {
  width: 100%;
}

nav {
  background-color: darkcyan;
  padding: 0.5rem 1.5rem;
}

nav ul {
  display: flex;
  list-style: none;
}

li a {
  text-decoration: none;
  color: #fff;
}

main {
  display: flex;
  justify-content: space-around;
}

.container {
  box-sizing: content-box;
  background-color: #fff;
  color: darkcyan;
  word-wrap: normal;
  font-size: 17px;
  padding: 8rem;
  border-radius: 8px;
  box-shadow: 0 0 30px darkcyan;
  opacity: 0.7;
}

.container-quiz {
  box-sizing: content-box;
  background-color: #fff;
  color: darkcyan;
  word-wrap: normal;
  font-size: 17px;
  padding: 1.8rem;
  border-radius: 8px;
  box-shadow: 0 0 30px darkcyan;
  opacity: 0.7;
}

input,
text {
  border: 1px solid lightgrey;
  border-radius: 5px;
  padding: 0.2rem 0.2rem;
  box-sizing: border-box;
  box-shadow: 0 0 10px darkcyan;
}
input::placeholder{
  color: lightgrey;
}
input:hover{
   border: 2px solid green;
}

input:focus-visible{
  color: green;
  outline: none;
}

button {
  background-color: darkcyan;
  color: #fff;
  border-radius: 5px;
  padding: 0.3rem;
  border: none;
  margin: 10px;
}

.top-bar {
  
  text-align: center;
}

#error {
  color: rgb(248, 77, 77);
}

.fit {
  display: flex;
  position: relative;
  bottom: 15px;
}

.flat {
  margin-left: 5px;
}
#result {
  color: green;
  margin-left: 5px;
}

footer {
  background: rgb(97, 99, 99);
  color: #fff;
  padding: 2rem;
  margin-top: 2px;
}

/* quiz styling */
.grid {
  width: 250px;
  height: 350px;
  margin: 0 2% 8%;
  background-color: #fff;
  padding: 10px 25px 25px 25px;
  /* border: 1px solid #cbcbcb; */
}

.grid h1 {
  font-family: "sans-serif";
  background-color: darkcyan;
  font-size: 30px;
  text-align: center;
  color: #ffffff;
  padding: 2px 0px;
}

#score {
  color: darkcyan;
  text-align: center;
  font-size: 20px;
}

.grid #question {
  font-family: "monospace";
  font-size: 20px;
  color: darkcyan;
}

.buttons {
  margin-top: 15px;
}

#btn0,
#btn1,
#btn2,
#btn3 {
  background-color: darkcyan;
  width: 150px;
  font-size: 20px;
  color: #fff;
  border: 1px solid #1d3c6a;
  margin: 10px 1px 10px 0px;
  padding: 5px 5px;
}

#btn0:hover,
#btn1:hover,
#btn2:hover,
#btn3:hover {
  cursor: pointer;
  background-color: darkcyan;
}

#btn0:focus,
#btn1:focus,
#btn2:focus,
#btn3:focus {
  outline: 0;
}

#progress {
  color: green;
  font-size: 18px;
}


@media only screen and (min-device-width: 320px) and (max-device-width: 600px) {

  .container {
    padding: 4rem;
  }
.fit {
  display: flex;
  position: relative;
  bottom: 10px;
}

.flat {
  margin-left: 2px;
}
#result {
  color: green;
  margin-left: 2px;
}

}