* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

.modal-box {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.8); /* Black w/ opacity */
}

.modal-box[popup-display="false"] {
  display: none; /* Hidden by default */
}

.modal-box[popup-display="true"] {
  display: flex; /* Hidden by default */
}
/* Modal Content/Box */
.modal-content {
  margin: 5% auto; /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  width: 80%; /* Could be more or less, depending on screen size */
  height: 90%;
  overflow: auto; /* Enable scroll if needed */
  background-color: #f1f1f1; /* Fallback color */
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

/* Float three header columns side by side */
.header {
  position: fixed; /* Stay in place */
  overflow: hidden;
  z-index: 1; /* Sit on top */
  width: 100%;
  top: 0; /* Position the navbar at the top of the page */
  padding: 0 10px;
  background-color: #f1f1f1;
}

.main {
  margin-top: 50px; /* Add a top margin to avoid content overlay */
}

/* Float three header columns side by side */
.header-column {
  float: left;
  width: 28%;
  padding: 0 10px;
}
/* Float three header columns side by side */
.header-page-column {
  float: left;
  margin-top: 0px;
  width: 15%;
  padding: 0 10px;
}

/* Float four columns side by side */
.column {
  float: left;
  width: 25%;
  padding: 0 10px;
  margin-top: 10px;
  margin-bottom: 10px;
}

/* Remove extra left and right margins, due to padding in columns */
.row {margin: 0 -5px;}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Style the counter cards */
.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2); /* this adds the "card" effect */
  padding: 16px;
  text-align: left;
  height: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  background-color: #f1f1f1;
}

/* Style the counter cards */
.card-openlibrary {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2); /* this adds the "card" effect */
  padding: 16px;
  text-align: left;
  height: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  background-color: #f1f1f1;
}

.card img {
  float: right;
  width: 100px;
  padding: 0 20px 20px 0;
}

.card-openlibrary img {
  float: right;
  width: 100px;
  padding: 0 20px 20px 0;
}


.card-title {
  padding: 16px;
  text-align: left;
  width: 60%;
  font-weight: bold;
  font-size: large;
}

.card-authors {
  padding: 16px;
  text-align: left;
  width: 60%;
  font-size: large;
}

.card-desc {
  padding: 2px;
  text-align: left;
  width: 100%;
}


.input-field {
  padding: 4px;
  float: left;
  text-align: left;
  width: 50%;
  font-size: large;
}
.input-field label {
  display: block;
  vertical-align: middle;
  min-width: 20%;
  max-width: 20%;
  width: 20%;
  padding: 4px;
}
.input-field textarea {
  vertical-align: middle;
  width: 80%;
}
.input-buttons {
  padding: 20px;
  float: left;
  text-align: left;
  width: 100%;
}

.more-info {
  width: 90%;
}
.more-info img {
  float: right;
  width: 200px;
  padding: 0 20px 20px 0;
}

.more-info label {
  display:inline-block;
  text-align: left;
  width: 20%;
  font-weight: bold;
  font-size: large;
}

.more-info-buttons {
  padding: 20px;
  text-align: left;
}

.page-input {
  width: 40px;
}

/* Responsive columns - one column layout (vertical) on small screens */
@media screen and (max-width: 600px) {
  .column {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
}

@media screen and (max-width: 800px) {
  .main {
    margin-top: 80px; /* Add a top margin to avoid content overlay */
  }

  .input-field {
    width: 100%;
  }
}