index.css

body {
  margin: 0px;
  font-family: "Ringside Wide", "Karla", sans-serif; 
  text-align: center;
}

.footer {
  overflow: hidden;
  background-color: white;
  padding: 20px;
  margin-top: 100px;
}

.footer a {
  text-decoration: none;
  color:  rgb(43, 43, 43);
  font-weight: 600;
}

.header {
  overflow: hidden;
  background-color: rgb(43, 43, 43);
  padding: 20px;
}

.header a {
  float: left;
  color: white;
  text-align: center;
  padding: 4px 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
}

div.btn-group {
  display: inline-flex;
}

button.navigation {
  border: 2px solid rgb(23, 99, 75);
  background-color: rgb(23, 99, 75);
  font-family: "Ringside Wide", "Karla", sans-serif; 
  font-weight: 500;
  border-radius: 4px;
  color: white;
  padding: 12px;
  width: 150px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  margin: 4px 4px;
  transition-duration: 0.4s;
  cursor: pointer;
}

button#save.navigation {
  background-color: white;
  color: rgb(23, 99, 75);
  border: 2px solid rgb(23, 99, 75);
  display: inline-block;
}

button#take-quiz.navigation {
  width: 200px;
  background-color: rgb(43, 43, 43);
  border: 2px solid rgb(43, 43, 43);
}

button#back-button.navigation {
  background-color: white;
  color: rgb(23, 99, 75);
  border: 2px solid rgb(23, 99, 75);
}

button#danger.navigation {
  background-color: rgb(176, 32, 0);
  color: white;
  border: 2px solid rgb(176, 32, 0);
}

button.navigation:hover {
  opacity: 0.5;
}

div.answer-options {
  display: inline-block;
  margin-top: 20px;
}

div.answer-options button {
  background-color: rgb(23, 99, 75);
  font-family: "Ringside Wide", "Karla", sans-serif; 
  border-radius: 4px;
  border: none;
  color: white;
  padding: 18px;
  width: 400px;
  text-decoration: none;
  font-size: 18px;
  margin: 0px 20px 10px 0px;
  transition-duration: 0.2s;
  cursor: pointer;
  display: block;
}

.incorrect {
  opacity: 0.8;
  cursor: not-allowed;
  pointer-events:none;
}

div.answer-options button.wrong-answer {
  background-color: rgb(125, 44, 0);
}

div.answer-options button.correct {
  background-color: rgb(52, 47, 147);
  color: white;
  cursor: not-allowed;
  pointer-events:none;
}

#flashcard-navigation {
  padding-top: 14px;
}

.disabled {
  opacity: 0.5;
}

div.card-intro {
  margin-top: 50px;
  display: inline-block;
  text-align: center;
}

div#flashcards.card-intro {
  display: inline-flex;
  padding: 20px;
}

div.card.flashcard {
  margin-right: 40px;
  margin-top: 70px;
  cursor: pointer;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
  font-weight: 500;
}

h3 {
  font-size: 18px;
  font-weight: 500;
}

div.page-container {
  display: inline-block;
  margin-top: 50px;
}

.card {
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
  border-radius: 5px;
  width: 250px;
  height: 300px;
  display: inline-block;
  text-align: center;
  font-family: "Ringside Wide", "Karla", sans-serif;
}

.card img {
  width: 100%;
  border-radius: 5px;
  height: 300px;
  object-fit: cover;
}

div#plant-info.card {
  box-shadow: none;
  margin-right: 40px;
}

.flip-card-front {
  width: 100%;
  backface-visibility: hidden;
  text-align: center;
}

h2.flip-card-front.title {
  font-size: 20px;
  font-weight: 700;
  padding-top: 40px;
}

.flip-card-back {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: inline-block;
}

p.flip-card-back.rating {
  font-size: 35px;
  margin: 10px;
  padding-top: 40px;
}

p.flip-card-back.content {
  font-family: "Ringside Wide", "Montserrat", sans-serif; 
  line-height: 30px;
  font-size: 22px;
  margin: 10px;
}

p#plant-count {
  font-size: 16px;
  font-weight: 700;
  /* margin-top: 50px; */
}

input {
  border: 2px solid rgb(23, 99, 75);
  border-radius: 4px;
  height: 40px;
  width: 300px;
  padding-left: 14px;
  display: inline-block;
  font-family: "Ringside Wide", "Montserrat", sans-serif; 
  font-size: 14px;
}

form.create-user {
  text-align: left;
  padding: 6px;
  display: grid;
  font-size: 18px;
  margin-top: 40px;
}

form.edit-user {
  text-align: left;
  padding: 6px;
  display: grid;
  font-size: 18px;
  margin-top: 40px;
}

table {
  width: 500px;
  border-collapse: collapse;
  margin-top: 30px;
  margin-bottom: 50px;
  border-bottom: 1px solid rgb(228, 228, 228);
  border-left: 1px solid rgb(228, 228, 228);
  border-right: 1px solid rgb(228, 228, 228);
}

td:last-child, th:last-child {
  border-right: 0px;
}

th, td {
  padding: 15px;
  border-right: 1px solid #eeeeee;
}

tr#headers {
  background-color: #eeeeee;
}

.number-one {
  font-weight: 700;
  font-size: 18px;
}


/* mobile styles */
@media only screen and (max-width: 892px) {
  div.card-intro {
    margin-top: 0;
  }

  #flashcard-navigation {
    position: fixed;
    bottom: 0;
    background-color:rgb(43, 43, 43);
    width: 100%;
    color: white;
    padding: 20px 0px;
  }

  p#plant-count {
    margin: 0;
  }

  div#flashcards.card-intro {
    display: inline-block;
    padding: 20px 20px 50px 20px;
  }

  div#plant-info.card {
    margin: 0;
  }

  div.card.flashcard {
    margin: 10px 0px;
  }

  .card {
    height: 100%;
  }

  p.flip-card-back.rating {
    padding-top: 20px;
  }

  p.flip-card-back.content {
    margin: 10px 10px 40px 10px;
  }

  h2.flip-card-front.title {
    padding: 40px 0px;
  }

  div.btn-group {
    display: inline-block;
  }

  button#take-quiz.navigation {
    background-color: rgb(43, 43, 43);
    border: 2px solid white;
  }

  .header a, .header {
    float: none;
    text-align: left;
  }

  .header {
    display: grid;
  }

  .header a {
    padding: 4px 0px;
    font-size: 16px;
  }

  a#site-info {
    float: none;
    font-size: 16px;
  }
}