add-book.css

.form-container {
  /* height: 700px; */
  height: 600px;
  /* height: 85vh; */
  /* width: 700px; */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 700px;
  margin: auto;
  padding: 30px;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
}

header {
  position: relative;
  /* background-color: rgb(96 89 34 / 50%); */
}

header a {
  background-color: rgb(96 89 34 / 50%);
  /* background-color: rgb(96 71 51 / 59%); */
}

body {
  /* background-image: url("images/library.jpg"); */
  /* background-image: url(); */
  /* background-image: url(https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2Fwww.pixelstalk.net%2Fwp-content%2Fuploads%2F2016%2F06%2FHD-Book-Wallpapers-Download.jpg&f=1&nofb=1); */
  /* background-image: url(https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2F2.bp.blogspot.com%2F-pXMc7QmBC6M%2FUHOSklCqyiI%2FAAAAAAAAB5E%2FuppmHENzG4Q%2Fs1600%2F5.jpg&f=1&nofb=1); */
  /* background-image: url(https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fwallpapercave.com%2Fwp%2Fwp2036901.jpg&f=1&nofb=1); */
  /* background-position: center;
  background-size: cover;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url(https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2F2.bp.blogspot.com%2F-pXMc7QmBC6M%2FUHOSklCqyiI%2FAAAAAAAAB5E%2FuppmHENzG4Q%2Fs1600%2F5.jpg&f=1&nofb=1);
  background: url(https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2F2.bp.blogspot.com%2F-pXMc7QmBC6M%2FUHOSklCqyiI%2FAAAAAAAAB5E%2FuppmHENzG4Q%2Fs1600%2F5.jpg&f=1&nofb=1); */

  /* // Moving Background */
  /* background: url(https://d8it4huxumps7.cloudfront.net/uploads/images/d2c-images/organiser-list.jpg?d=1600x1420); */
  /* background-size: 80%; */
  background-image: url(https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fwallpapercave.com%2Fwp%2Fwp2036901.jpg&f=1&nofb=1);
  background-position: center;
  background-size: cover;
  /* background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(https://external-content.duckduckgo.com/iu/?u=http%3A%2F%2F2.bp.blogspot.com%2F-pXMc7QmBC6M%2FUHOSklCqyiI%2FAAAAAAAAB5E%2FuppmHENzG4Q%2Fs1600%2F5.jpg&f=1&nofb=1); */
  animation-name: rotate-bg;
  animation-duration: 60s;
  animation-iteration-count: infinite;
  animation-fill-mode: forwards;
  animation-timing-function: linear;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url(https://www.dublincity.ie/sites/default/files/media/inline-images/migrated/2019%20Longlist%20Collage%2016%20x%209.jpg);
  /* background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(https://media.npr.org/assets/img/2013/12/04/books_wide-148e1d9…-s1100-c50.png); */
  /* background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(https://media.npr.org/assets/img/2021/11/19/cover-grid_wide-0fa1644…-s700-c85.jpg); */
  background-size: contain;
  /* Moving Background ends */
}

.form-container {
  animation-name: welcome;
  animation-duration: 3s;
  /* animation-iteration-count: infinite; */
  animation-fill-mode: forwards;
  animation-timing-function: linear;
  /* margin: auto !important; */
}

.form-label {
  color: wheat;
  -webkit-text-stroke: 1px black;
  font-weight: bolder;
  font-size: 20px;
  /* margin-right: 10px; */
  /* float: left; */
}

.form-control {
  /* float: right; */
  /* background-color: wheat !important; */
  /* opacity: 0.8; */
  filter: brightness(0.8);
}

.pair {
  /* display: flex; */
}

#instBtn {
  background-color: brown;
  outline: none;
}

#instBtn:hover {
  background-color: green;
}

#fetchBtn {
  background-color: chocolate;
}

#fetchBtn:hover {
  background-color: rgb(49, 49, 131);
}

#updateBtn {
  background-color: darkorange;
}

#updateBtn:hover {
  color: #fff;
  background-color: #ffc107;
}

#deleteBtn {
  background-color: darkred;
}

#deleteBtn:hover {
  background-color: red;
}

.btn {
  /* background-color: darkred; */
  padding: 10px;
  font-size: 18px;
  color: #fff;
  filter: brightness(80%);
  /* background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)); */
  /* background: linear-gradient(rgba(241, 4, 4, 0.3), rgba(243, 3, 3, 0.3)); */
}

#instBtn:focus {
  /* background-color: brown; */
  outline: none;
  /* -webkit-text-stroke: 1px black; */
}

.buttonTray {
  display: flex;
  justify-content: space-around;
}

.btn-x {
  margin: 10px;
}

#toast-container > .toast:before {
  position: fixed;
  font-family: FontAwesome;
  font-size: 24px;
  line-height: 18px;
  float: left;
  color: #fff;
  padding-right: 0.5em;
  margin: auto 0.5em auto -1.5em;
}

/* #toast-container > .toast-success:before {
  content: "\f002";
} */

.invalid-id {
  /* color: red; */
  /* width: 100%; */
  margin-top: 0.25rem;
  font-size: 80%;
  color: #dc3545;
  background-color: wheat;
  width: fit-content;
}

.btn-primary {
  border-color: transparent;
}

.btn-primary:hover {
  border-color: transparent;
}

.list-group {
  flex-direction: row;
  padding-top: 30px;
}

.list-group-item {
  color: white;
  background: linear-gradient(70deg, rgb(24, 24, 24), rgb(25, 29, 29));
}

#footer {
  margin-top: 8vh;
}

#footer .list-group-item {
  width: 150px;
}

#footer a {
  cursor: pointer;
}

#footer .list-group a {
  text-decoration: none;
  padding: 20px;
  margin: 10px;
}

/* Bug 7 */
/* .scrollbar::-webkit-scrollbar {
  display: none;
} */

/* IE and Edge. For Firefox below. */
/* .scrollbar {
  -ms-overflow-style: none; 
  scrollbar-width: none; 
} */
/* Bug 7 ends  */

/* ::-webkit-scrollbar {
  width: 20px;
}

::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px grey;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: red;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b30000;
} */

/* @media only screen and (min-width: 992px) {
  @-webkit-keyframes rotate-bg {
    0% {
      background-position: 0 0vw;
    }
    to {
      background-position: 0 -100vw;
    }
  }
  @keyframes rotate-bg {
    0% {
      background-position: 0 0vw;
    }
    to {
      background-position: 0 -100vw;
    }
  }
} */
/* Bug 10 starts  */
@media only screen and (min-width: 992px) {
  @keyframes rotate-bg {
    0% {
      background-position: 0vh 0vw;
    }
    to {
      background-position: -100vh 0vw;
    }
  }
  /* @keyframes welcome {
    
    from {
      margin-left: 100%;
      width: 700px;
    }

    to {
      margin-left: 28%;
      width: 700px;
    }
  } */
}

/* Bug 10 ends */

/* Bug 11 starts */
@media screen and (max-width: 900px) {
  .btn {
    width: auto;
  }

  .buttonTray {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 650px) {
  .btn {
    width: auto;
  }

  .buttonTray {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .form-container {
    padding: 0;
    width: auto;
  }
}

@media screen and (max-width: 400px) {
  header li {
    margin-left: 0;
  }

  header a {
    font-size: medium;
  }

  header {
    width: max-content;
    display: block;
  }
}
/* Bug 11 ends  */