styles.css

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}
h2,
h3,
p {
  font-family: Apple Chancery, cursive;
  font-style: oblique;
}
html,
body {
  width: 100%;
  height: 100%;
  background-color: #def2f1;
  overflow: hidden;
}
nav {
  width: 100%;
  height: 10%;
  background-color: #3aafa9;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 2;
}
.container {
  display: flex;
  justify-content: space-between;
  margin: 0 15% 0 15%;
}
.brand {
  display: flex;
  align-items: flex-end;
}

.brand a {
  text-decoration: none;
  color: black;
  margin: 18px 0 0 0;
}

button,
.single-book-button,
#kosarica-naruci,
#zavrsiNarudzbu,
#obrisi-knjigu {
  margin: 18px 5px 0 5px;
  width: 120px !important;
  height: 40px;
  background-color: #17252a;
  border: none;
  border-radius: 10px;
  text-align: center;
  color: #def2f1;
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1em;
  outline: none;
}
#obrisi-knjigu {
  background-color: rgba(255, 0, 0, 0.8);
  margin-bottom: 20px;
}
#obrisi-knjigu:hover {
  background-color: red;
  color: #feffff;
  transition: 0.5s;
}
button:focus {
  outline: none;
}

#forma {
  position: relative;
}
input {
  height: 25px;
  margin-bottom: 5px;
  padding-left: 5px;
  background-color: #feffff;
  border: none;
  border-bottom: 1px solid #3aafa9;
  border-radius: 10px;
  color: #17252a;
  outline-color: red;
}
label {
  padding-left: 5px;
}
.single-book-button:hover,
button:hover,
#kosarica-naruci:hover,
#zavrsiNarudzbu:hover {
  background-color: #2b7a78;
  color: #feffff;
  transition: 0.5s;
}
#zavrsiNarudzbu {
  margin-top: 0;
}
#pocetna {
  margin-right: 15px;
}
.wrapper-container {
  width: 100%;
  overflow-y: scroll;
}
#wrapper {
  width: 70%;
  margin: 0 15% 0 15%;
  padding: 20px 0 20px 0;
  display: grid;
  grid-template-columns: 33% 33% 33%;
}
.knjiga-okvir {
  min-width: 250px;
  padding: 20px 0 20px 0;
}
.knjiga-fotografija {
  text-align: center;
}
.knjiga-fotografija img {
  width: 250px;
  padding: 20px;
  border-radius: 30px;
}
.knjiga-cijena {
  padding-top: 10px;
}

.knjiga-info {
  width: 250px;
  margin: 0 auto 0 auto;
  padding-left: 20px;
}
.okvir {
  min-width: 250px;
  text-decoration: none;
  color: #17252a;
  margin: 10px;
  border-radius: 10px;
  background: #feffff;
  transition: 0.1s;
}
.okvir:hover {
  animation-name: oboji;
  animation-duration: 0.1s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-out;
  box-shadow: 0px 1px 3px 0px #17252a;
  color: #2b7a78;
}

@keyframes oboji {
  0% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 55%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  10% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 60%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  20% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 65%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  30% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 70%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  50% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 75%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  60% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 80%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  70% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 85%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  80% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 90%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  90% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 95%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
  100% {
    background: linear-gradient(
      0deg,
      rgba(254, 255, 255, 1) 0%,
      rgba(222, 242, 241, 1) 100%,
      rgba(58, 175, 169, 0.10157566444546573) 100%
    );
  }
}

footer {
  background-color: #3aafa9;
  color: #def2f1;
  text-align: center;
  color: rgba(0, 0, 0, 0.5);
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
}

#Knjiga {
  margin: 0 15% 0 15%;
  padding-top: 7%;
}
.single-book-okvir {
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0px 1px 3px 0px gray;
  display: flex;
  background: linear-gradient(
    0deg,
    rgba(254, 255, 255, 1) 0%,
    rgba(222, 242, 241, 1) 80%,
    rgba(58, 175, 169, 0.10157566444546573) 100%
  );
}

.single-book-photo img:hover {
  opacity: 1;
}

.single-book-info #opis {
  text-align: justify;
}
.single-book-info {
  padding: 20px 0 0 20px;
}

#kosarica-naruci {
  margin-bottom: 20px;
}

.single-book-up {
  height: 50%;
}
.single-book-up #opis,
#autor {
  padding-top: 20px;
}
.single-book-add {
  height: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.single-book-okvir form {
  display: flex;
  height: 40px;
  margin: 18px 5px 0 5px;
}

.single-book-okvir form .kolicina,
select,
#cijena,
th,
td {
  width: 120px;
  height: 40px;
  padding-top: 15px;
  background: linear-gradient(
    0deg,
    rgba(222, 242, 241, 1) 0%,
    rgba(237, 248, 248, 1) 50%,
    rgba(254, 255, 255, 1) 100%
  );
  border: none;
  border-bottom: 1px solid #3aafa9;
  border-radius: 10px;
  text-align: center;
  color: #17252a;
  text-decoration: none;
  cursor: default;
  font-weight: 700;
  font-size: 16px;
}

table {
  border-collapse: separate;
  border-spacing: 0 1em;
}
td,
th {
  border: none !important;
  border-bottom: 2px solid #3aafa9 !important;
  border-radius: 10px;
}

.single-book-okvir form .kolicina {
  width: 75px;
}
.single-book-okvir #cijena {
  margin: 18px 5px 0 5px;
}

select,
option {
  width: 45px;
  outline: none;
  cursor: pointer;
  margin-left: 5px;
  padding: 8px 0 0 5px;
}
.forma-kosarica select {
  padding-top: 0;
}
.single-book-okvir form select option {
  font-size: 16px;
}

.wrapper-narudzba {
  padding: 20px 0 20px 0;
}
.wrapper-kosarica {
  padding: 0 0 20px 0;
}
.wrapper-kosarica {
  overflow-y: auto;
}
#tabela-kosarica {
  width: 70%;
  margin: 0 15% 0 15%;
  padding: 20px 0 20px 0;
}
.tabela-narudzba {
  width: 70%;
  margin: 0 15% 0 15%;
  padding: 0 0 20px 0;
  height: 40%;
  overflow-y: auto;
}
#tabela-narudzba {
  width: 100%;
}
th,
td {
  width: 100px;
  border: 1px solid black;
  text-align: center;
  border-radius: 2px;
}

.wrapper-narudzba #forma {
  margin: 0 15% 0 15%;
  padding-top: 20px;
}
.wrapper-narudzba #forma label,
.wrapper-narudzba #forma input {
  display: block;
  width: 50%;
  margin-left: auto;
  margin-right: auto;
}
.slicica-tabela {
  width: 100px;
  border-radius: 5px;
  padding: 5px 0 5px 0;
}
.error {
  color: red;
  padding-bottom: 2px;
}
img {
  border-radius: 20px;
}

.kosarica-dugmad {
  margin: 0 15% 0 15%;
  display: flex;
  float: right;
}
#kosarica-dugme {
  position: relative;
}
#kosarica-dugme span {
  background-color: #feffff;
  color: #17252a;
  border-radius: 100%;
  width: 20px;
  height: 20px;
  position: absolute;
  top: -2px;
  right: -2px;
}
#IzbornikDugme {
  display: none;
}
#fotografija {
  position: relative;
  cursor: pointer;
}

#vise-slika {
  position: absolute;
  right: 0;
  left: 0px;
  bottom: 0px;
  background-color: #17252a;
  color: #ffffff;
  font-weight: bold;
  height: 50px;
  text-align: center;
  padding-top: 15px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}
#search-photo {
  width: 250px;
  height: 250px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -125px;
  margin-left: -125px;
  visibility: hidden;
}
.slider-place {
  background-color: rgba(0, 0, 0, 0.7);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  visibility: hidden;
}
.slider {
  width: 350px;
  height: 400px;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: -200px;
  margin-left: -175px;
  visibility: hidden;
}

@media only screen and (max-width: 1180px) {
  img {
    width: 300px;
  }
}

@media only screen and (max-width: 1140px) {
  nav .container {
    margin: 0 7% 0 7%;
  }
  #wrapper {
    width: 86%;
    margin: 0 7% 0 7%;
  }
  #Knjiga,
  #forma {
    margin: 0 7% 0 7%;
  }
  #tabela-kosarica,
  .tabela-narudzba {
    margin: 0 7% 0 7%;
    width: 86%;
  }
  .wrapper-narudzba #forma label,
  .wrapper-narudzba #forma input {
    width: 100%;
  }
  .kosarica-dugmad {
    margin: 0 7% 0 7%;
  }
}

@media only screen and (max-width: 960px) {
  nav .container {
    margin: 0 7% 0 7%;
  }
  #wrapper {
    width: 86%;
    margin: 0 7% 0 7%;
    grid-template-columns: 50% 50%;
  }

  img {
    width: 200px;
  }
  #search-photo {
    width: 150px;
    height: 150px;
    margin-top: -75px;
    margin-left: -75px;
  }
}
@media only screen and (max-width: 800px) {
  .single-book-okvir {
    text-align: center;
    flex-direction: column;
  }
  .single-book-info {
    padding-left: 0 !important;
  }
  .single-book-photo {
    margin-left: auto;
    margin-right: auto;
  }
}
@media only screen and (max-width: 720px) {
  nav {
    height: auto;
  }
  .brand {
    align-items: flex-start;
  }
  nav .container {
    flex-direction: column;
    margin: 0 1% 0 1%;
  }
  #Knjiga {
    margin: 0 1% 0 1%;
  }
  .IzbornikStavka button {
    margin: 0;
  }
  #tabela-kosarica,
  .tabela-narudzba {
    margin: 0 1% 0 1%;
    width: 98%;
  }

  .kosarica-dugmad {
    margin: 0 1% 0 1%;
  }
  #wrapper {
    width: 98%;
    margin: 0 1% 0 1%;
    grid-template-columns: 50% 50%;
    row-gap: 20px;
  }
  #Izbornik {
    height: 60px;
    display: none;
    margin-left: auto;
  }

  #IzbornikDugme {
    width: 40px;
    text-align: center;
    position: absolute;
    font-size: 30px;
    background-color: #17252a;
    color: #def2f1;
    top: 3px;
    right: 1%;
    cursor: pointer;
    display: block;
    border-radius: 10px;
  }
}
@media only screen and (max-width: 540px) {
  #wrapper {
    grid-template-columns: 100%;
  }
  .container {
    flex-direction: column;
  }
  body {
    overflow-y: auto;
  }
}
@media only screen and (max-width: 460px) {
  .single-book-add {
    display: grid;
    grid-template-areas:
      "a b "
      ". c ";
    grid-template-columns: 50% 50%;
  }
  #dodaj {
    grid-area: c;
    text-align: left;
  }

  .brand a h2 {
    font-size: 18px;
  }
  #IzbornikDugme {
    width: 35px;
    font-size: 25px;
  }
  .slicica-tabela {
    width: 50px;
  }
  html,
  th,
  td,
  #forma-select select,
  #forma-select .kolicina,
  #cijena,
  .forma-kosarica select {
    font-size: 11px;
  }
  label {
    margin: 10px 0 5px 0;
  }
  #zavrsiNarudzbu {
    margin-top: 5px;
  }
  .error {
    margin-top: 5px;
  }
  .tabela-narudzba {
    height: 30%;
  }
  .slider {
    width: 200px;
    height: 220px;
    margin-top: -110px;
    margin-left: -100px;
  }
  button {
    width: 110px !important;
  }
  #forma-select,
  #cijena,
  .single-book-button {
    width: 110px !important;
  }
  #cijena,
  .single-book-button {
    float: right;
  }
  .forma-kosarica select {
    width: 35px !important;
    height: 30px;
  }
  #kosarica-naruci,
  #obrisi-knjigu,
  #zavrsiNarudzbu,
  #pocetna,
  #kosarica-dugme {
    width: 70px !important;
    height: 30px !important;
  }
  #Izbornik {
    padding-top: 10px;
  }
  #kosarica-dugme span {
    width: 15px;
    height: 15px;
  }
}
@media only screen and (max-width: 275px) {
  .single-book-add {
    display: grid;
    grid-template-areas:
      "a "
      "b "
      "c ";
    grid-template-columns: 100%;
  }
  #cijena,
  .single-book-button {
    float: none;
  }
}
.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}
.mySlides {
  display: none;
}
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}
.prev:hover,
.next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}
.active,
.dot:hover {
  background-color: #717171;
}

.fade {
  -webkit-animation-name: fade;
  -webkit-animation-duration: 1.5s;
  animation-name: fade;
  animation-duration: 1.5s;
}

@-webkit-keyframes fade {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

@keyframes fade {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

html {
  --scrollbarBG: #def2f1;
  --thumbBG: #3aafa9;
}
::-webkit-scrollbar {
  width: 11px;
}
body {
  scrollbar-width: thin;
  scrollbar-color: var(--thumbBG) var(--scrollbarBG);
}
::-webkit-scrollbar-track {
  background: var(--scrollbarBG);
}
::-webkit-scrollbar-thumb {
  background-color: var(--thumbBG);
  border-radius: 6px;
  border: 3px solid var(--scrollbarBG);
}