html{
    background-color: #73A9AD;
      }

.naslov{
    display: flex;
    text-align: center;
    font-family: century;
    
    position: absolute;
    top: 0px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    /*100*/
    height: 115vh;
    display: flex;
    justify-content: center;
    align-items: center;

    font-family: sans-serif;
    background-color: powderblue;
}

/* Book */
.book {
    /*relative*/
    position:relative;
    width: 350px;
    height: 500px;
    transition: transform 0.5s;
    display: flex;

}

.paper {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    perspective: 1500px;

}

.front,
.back {
    background-color: white;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform-origin: left;
    transition: transform 0.5s;
}

.front {
    z-index: 1;
    backface-visibility: hidden;
    border-left: 3px solid powderblue;
}

.back {
    z-index: 0;
}

.strani,
.front-content,
.back-content {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.back-content {
    transform: rotateY(180deg)
}

/* Paper flip effect */
.flipped .front,
.flipped .back {
    transform: rotateY(-180deg);
}

/* Controller Buttons */
button {
    border: none;
    background-color: transparent;
    cursor: pointer;
    margin: 10px;
    transition: transform 0.5s;
}

button:focus {
    outline: none;
}

button:hover i {
    color: #636363;
}

i {
    font-size: 50px;
    color: gray;
}

/* Paper stack order */
#p1 {
    z-index: 26;
}
#p2 {
    z-index: 25;
}

#p3 {
    z-index: 24;
}
#p4 {
    z-index: 23;
}
#p5{
    z-index: 22;
}
#p6{
    z-index: 21;
}
#p7{
    z-index: 20;
}
#p8{
    z-index: 19;
}
#p9{
    z-index: 18;
}
#p10{
    z-index: 17;
}
#p11{
    z-index: 16;
}
#p12{
    z-index: 15;
}
#p13{
    z-index: 14;
}
#p13{
    z-index: 13;
}
#p14{
    z-index: 12;
}
#p15{
    z-index: 11;
}
#p16{
    z-index: 10;
}
#p17{
    z-index: 9;
}
#p18{
    z-index: 8;
}
#p19{
    z-index: 7;
}
#p20{
    z-index: 6;
}
#p21{
    z-index: 5;
}
#p22{
    z-index: 4;
}
#p23{
    z-index: 3;
}
#p24{
    z-index: 2;
}
#p25{
    z-index: 1;
}
#p26{
    z-index: 0;
}
#next-btn{
    display: flex;
}
#prev-btn{
    display: flex;
}