/*keep this same for all*/
/*the main div container parallel to and above mainBox div*/
#int1 {
  position: relative;
  width: 100%;
  height: 100%;

  top: 0%;
  left: 0%;

  /*background-color: #37C2DA;*/

  overflow: hidden;

  /*change only this*/
  background-image: url('../bg.png');
}

/*for all elements make sure that it does not inherit margin and padding*/
#int1 * {
  margin: 0;
  padding: 0;
}

/*------------------------------------------------------------------------------------------*/
/*for css animation from animate css*/

#int1 > strong:nth-of-type(1) {
  -webkit-animation-duration: 0.5s;
  -moz-animation-duration: 0.5s;
  animation-duration: 0.5s;
}

/*speed for animation in nxt button*/
#nxt {
  -webkit-animation-duration: 5s;
  -moz-animation-duration: 5s;
  animation-duration: 5s;
}

#whole > strong:nth-of-type(1) {
  -webkit-animation-duration: 2s;
  -moz-animation-duration: 2s;
  animation-duration: 2s;
}
table {
  font-size: 0.9em;
}

/*------------------------------------------------------------------------------------------*/
/*default color for all elements*/
#int1 {
  color: black;
}

/*heading*/
#int1topic {
  display: none;
  position: relative;
  top: 3%;
  width: 100%;
  text-align: center;
  font-size: 1.3em;
  font-weight: bolder;
  color: #d93537;
  border-bottom: 0.2em solid rgba(217, 53, 55, 0.6);
}

/*number sequence*/
#seq {
  display: none;
  position: absolute;
  top: 40%;
  width: 100%;
  text-align: center;
  font-size: 2em;
}

#seq > span {
  display: none;
  position: relative;
}

/*animation detail*/
#animDetail {
  display: none;
  position: absolute;
  top: 55%;
  left: 10%;
  width: 80%;
  text-align: left;
  color: #00585f;
  font-size: 1.7em;
}

/*number details*/
#natural,
#whole,
#integer {
  display: none;
  position: relative;
  top: 7%;
  width: 100%;
  text-align: center;
  margin-bottom: 5%;

  /*background-color: rgba(0,0,0,0.15);*/
  border-radius: 2%;
  padding: 1% 0.5%;

  font-size: 1.5em;

  color: black;
}

#natural {
  color: #00ada9;
  border: 0.15em solid rgba(80, 180, 50, 0.7);
  border-radius: 3%;
  padding: 1% 1%;
  box-shadow: 0 8px 6px -5px black;
}

#whole {
  color: #5b164c;
  margin-bottom: 5%;
  border: 0.15em solid rgba(180, 80, 50, 0.7);
  border-radius: 3%;
  padding: 1% 1%;
  box-shadow: 0 8px 6px -5px black;
}

#whole > strong:nth-of-type(1) {
  display: none;
  position: absolute;
  left: 0%;
  bottom: 10%;
  font-size: 0.9em;
  width: 7%;
  color: black;
  background-color: rgba(255, 255, 255, 0.5);
  padding: 0% 10% 0% 1%;
  border-radius: 0% 5% 5% 0%;
  cursor: pointer;
}

#integer {
  color: #e11c5e;
  border: 0.15em solid rgba(50, 10, 180, 0.7);
  border-radius: 3%;
  padding: 1% 1%;
  box-shadow: 0 8px 6px -5px black;
}

#integer > p:nth-of-type(1) {
  display: none;
  font-size: 1em;
  color: #f2192c;
  border-radius: 5%;
  box-shadow: 9px 5px 5px -5px black;
}

/*story of zero*/
#zero {
  display: none;
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;

  box-shadow: inset 0 0 0.3em #000000;

  background-color: rgba(233, 240, 245, 1);
}

#zero > img {
  position: absolute;
  top: 10%;
  left: 5%;
  width: 20%;
}

#zero > p {
  position: absolute;
  padding: 1% 2%;
  text-align: justify;
  font-size: 1.3em;
  line-height: 1.3em;
}

#zero > p:nth-of-type(1) {
  top: 10%;
  left: 30%;
}

#zero > p:nth-of-type(2) {
  top: 36%;
  left: 30%;
}

#zero > p:nth-of-type(3) {
  top: 62%;
  left: 5%;
}

#zero > div:nth-of-type(1) {
  position: absolute;
  top: 1%;
  right: 1%;
  color: darkred;
  width: 5%;
  height: 9%;
  cursor: pointer;
}

/*next button*/
#nxt {
  display: none;
  position: absolute;
  bottom: 0;
  right: 1%;
  width: 6%;
  height: 10%;
}
.cover_image {
  position: absolute;
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
}
.cover_text {
  position: absolute;
  top: 3%;
  left: 44%;
  font-size: 6vh;
  font-family: comfortaa;
}