body { 
  background-color: #eae8db; 
}

*, *:before, *:after { 
  -webkit-box-sizing: border-box; 
          box-sizing: border-box; 
}

.content-wrap {
  margin-top: 40px;
}

/*Header*/
h1 {
  font-size: 58px;
  font-weight: 700;
  color: #6c7690;
  font-family: 'Open sans', sans-serif;
  text-shadow: black 2px -1px;
}

#search {
  width: 300px;
  height: 30px;
  padding-left: 10px;
  display: block;
  margin: 0 auto;
  margin-top: 20px;
  outline: none;
}

.btn-default {
  margin: 4px;
  margin-top: 10px;
  font-size: 16px;
  border: none;
  color: #fff;
  -webkit-box-shadow: gray 2px -2px;
          box-shadow: gray 2px -2px;
}

.btn-default:hover {
  opacity: 0.8;
  color: #fff;
  padding: 6px 10px;
}

button {
  width: 122px;
  background-color: #d23d21 !important;
  outline: none !important;
}

#randomResult {
  display: inline-block;
  width: 165px;
  background-color: #e1914c !important;
  outline: none !important;
}

/*Common features of book*/
.book {
  position: relative;
  width: 400px;
  height: 520px;
  margin: 45px auto;
  overflow: visible;
  -webkit-transition: all 0.5s linear;
  -o-transition: all 0.5s linear;
  transition: all 0.5s linear;
}

.cover, .page {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  -webkit-transform-origin: left center;
      -ms-transform-origin: left center;
          transform-origin: left center;
  -webkit-transition: inherit;
  -o-transition: inherit;
  transition: inherit;
  -webkit-box-shadow: 1px 1px 2px 0px rgba(0,0,0,0.2);
          box-shadow: 1px 1px 2px 0px rgba(0,0,0,0.2);
}

/*Cover book*/
.cover {
  z-index: 100;
  -webkit-transform: perspective(700px) rotateY(0deg);
          transform: perspective(700px) rotateY(0deg);
  background: #621f23
              -webkit-gradient(linear, 
              left top, right top, 
              color-stop(3%, transparent), 
              color-stop(5%, rgba(0,0,0,0.1)), 
              color-stop(6%, transparent));
  background: #621f23
              -webkit-linear-gradient(left, 
              transparent 3%, 
              rgba(0,0,0,0.1) 5%, 
              transparent 6%);
  background: #621f23
              -o-linear-gradient(left, 
              transparent 3%, 
              rgba(0,0,0,0.1) 5%, 
              transparent 6%);
  background: #621f23
              linear-gradient(90deg, 
              transparent 3%, 
              rgba(0,0,0,0.1) 5%, 
              transparent 6%);
} 

.cover h2 {
  font-size: 52px;
  font-family: Georgia;
  letter-spacing: 5px;
  padding: 0 20px;
  text-align: center;
  color: #fff;
}

.cover img {
  padding-top: 30px;
}

h3 {
  font-size: 25px;
  font-family: Georgia;
  letter-spacing: 2px;
  padding: 0 20px;
  text-align: center;
  color: #fff; 
  position: relative;
}

h3::after {
  position: absolute;
  content: '';
  height: 2px;
  background-color: #fff;
  width: 283px;
  display: block;
  bottom: -20px;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
      -ms-transform: translate(-50%, 0);
          transform: translate(-50%, 0);
}

/*Logotip*/
.developer {
  position: absolute;
  display: block;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
      -ms-transform: translate(-50%, 0);
          transform: translate(-50%, 0);
  bottom: 0;
}

img.logo-footer {
  padding: 15px 0;
  float: left;
}

.dev {
  display: inline-block;
  padding: 5px 10px 5px; 
  margin-top: 10px;
}

.developer .created {
  color: #fff;
  font-size: 13px;
  letter-spacing: 2px;
  font-family: "Open Sans", sans-serif;
}

.dev:hover {
  color: #fff;
  cursor: pointer;
  text-decoration: underline; 
}

/*Open book*/
.page {
  padding: 17px;
  color: #222;
}  
 /*border-left of open book */
.page::before {
  content: '';
  height: 100%;
  position: absolute;
  width: 0;
  top: 0;
  background-color: rgba(0,0,0,0.1);
  -webkit-transition: inherit;
  -o-transition: inherit;
  transition: inherit;
}
/*border-bottom of open book */
.page::after {
  content: '';
  width: 100%;
  height: 0;
  position: absolute;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  border: solid 0px transparent;
  border-top-color: rgba(0,0,0,0.2);
  -webkit-transition: inherit;
  -o-transition: inherit;
  transition: inherit;
  -webkit-box-shadow: 2px 0px 0px 0px gray;
          box-shadow: 2px 0px 0px 0px gray;
}

.page:nth-child(2) {
  -webkit-transform: perspective(700px) 
             rotateY(180deg) 
             translateX(-100%);
          transform: perspective(700px) 
             rotateY(180deg) 
             translateX(-100%);
  background: #fff 
              -webkit-gradient(linear, 
              left top, right top, 
              color-stop(97%, rgba(0,0,0,0)), 
              to(rgba(0,0,0,0.1)));
  background: #fff 
              -webkit-linear-gradient(left, 
              rgba(0,0,0,0) 97%, 
              rgba(0,0,0,0.1) 100%);
  background: #fff 
              -o-linear-gradient(left, 
              rgba(0,0,0,0) 97%, 
              rgba(0,0,0,0.1) 100%);
  background: #fff 
              linear-gradient(90deg, 
              rgba(0,0,0,0) 97%, 
              rgba(0,0,0,0.1) 100%);
  -webkit-box-shadow: -1px 1px 2px 0px rgba(0,0,0,0.2);
          box-shadow: -1px 1px 2px 0px rgba(0,0,0,0.2);
}

.page:nth-child(2)::before { left: 0; }
.page:nth-child(2)::after  { left: 1px; }

.page:nth-child(3) {
  background: #fff 
              -webkit-gradient(linear, 
              left top, right top, 
              from(rgba(0,0,0,0.1)), 
              color-stop(3%, rgba(0,0,0,0)));
  background: #fff 
              -webkit-linear-gradient(left, 
              rgba(0,0,0,0.1) 0%, 
              rgba(0,0,0,0) 3%);
  background: #fff 
              -o-linear-gradient(left, 
              rgba(0,0,0,0.1) 0%, 
              rgba(0,0,0,0) 3%);
  background: #fff 
              linear-gradient(90deg, 
              rgba(0,0,0,0.1) 0%, 
              rgba(0,0,0,0) 3%);
  border-left: solid 1px rgba(0,0,0,0.2);
}

.page:nth-child(3)::before { right: 0; }
.page:nth-child(3)::after  { left: -1px; }

h4 {
  margin: 0 0 0.6em 0;
  font-size: 16px;
  font-weight: bold;
  color: #621f23;
  font-family: "Open Sans", sans-serif;
  line-height: 12px;
  text-align: center;
  padding-top: 10px;
}  
    
p.text:first-letter {
    font-size: 16px;
    font-weight: bold;
    font-family: "Open Sans", sans-serif;
    line-height: 0.6em;
    color: #621f23;
    padding: 5px 2px 0 0;
    float: left;
}
  
.page p {  
  text-align: justify;
  margin: 0 0 0.5em;
  padding-bottom: 10px;
  font-size: 12px;
  font-family: "Open Sans", sans-serif;
  line-height: 13px;
}

p.top-page {
  font-size: 9px;
  color: gray;
  position: relative;
  padding-bottom: 0;
}
    
hr {
  border: none; /* Убираем границу */
  background-color: gray; /* Цвет линии */
  color: gray; /* Цвет линии для IE6-7 */
  height: 1px; /* Толщина линии */
  margin: 0;
}

/*openning the book*/
.open {
  -webkit-transform: translateX(50%);
      -ms-transform: translateX(50%);
          transform: translateX(50%);
}
.open .cover {
  -webkit-transform: perspective(700px)
               rotateY(-180deg);
          transform: perspective(700px)
               rotateY(-180deg);
}
.open .page:nth-child(2) {
  z-index: 200;
  -webkit-transform: perspective(700px) 
              rotateY(0deg)
              translateX(-100%);
          transform: perspective(700px) 
              rotateY(0deg)
              translateX(-100%);
}

.open .page::before {
      width: 3px;
}

.open .page::after {
      border-width: 2px;
      bottom: -3px;
}
  
/*text in book*/
a {
  display: block;
  margin: 10px 0;
  text-align: justify;
  color: #000;
  border-radius: 5px;
}

ul a:hover {
  color: #000;
  text-decoration: none;
  background-color: #eae8db;
  padding: 0 10px;
}

.title {
  margin-bottom: 15px;
  font-family: 'Georgia';
}

.text {
  font-size: 13px;
  font-family: 'Source Sans Pro', sans-serif;
}

ul.page1 {
  list-style-type: none;
  padding: 0; 
  padding-left: 10px;
}

ul.page2 {
  list-style-type: none;
  padding: 0;
  padding-right: 10px;     
}

/*pages on top of the cover*/
.book-top {
  background-color: #EEEEEE;
  border-left: 5px solid #621f23;
  border-top: 2px solid #621f23;
  -webkit-box-shadow: 1px 0px 2px #999;
          box-shadow: 1px 0px 2px #999;
  height: 8px;
  left: 5px;
  position: absolute;
  top: -10px;
  width: 401px;
  transform: skew(-45deg, 0deg);
  -ms-transform: skew(-45deg, 0deg);
  -webkit-transform: skew(-45deg, 0deg);
  opacity: 0.8;
}

/*pages on right of the cover*/
.book-right {
  background-color: #EEEEEE;
  border-bottom: 1px solid #DDDDDD;
  border-right: 2px solid #621f23;
  -webkit-box-shadow: 1px 0px 1px #999;
          box-shadow: 1px 0px 1px #999;
  height: 520px;
  position: absolute;
  right: -10px;
  top: -4px;
  width: 11px;
  transform: skew(0deg, -45deg);
  -ms-transform: skew(0deg, -45deg);
  -webkit-transform: skew(0deg, -45deg);
  opacity: 0.8;
}