* {
  margin: 0px;
  padding: 0px;
}

body{
  font-family: Arial, Helvetica, sans-serif;
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
}

.simulation-container {
  background-color: rgba(220, 229, 236, 255);
  width: 800px;
  height: 600px;
  /* padding: 5px; */
}

.title {
  margin: 0px;
  padding: 5px;
  letter-spacing: 0.1em;
  background-color: rgb(20, 117, 228);
  color: white;
  display: flex;
  justify-content: center;
}

/* Container Text  */

.instruction-main {
  position: absolute;
  display: inline-block;
  top: 30px;
}

.instruction {
  position: absolute;
  display: inline-block;
  top: 30px;
}

.content-container {
  position: absolute;
  padding: 10px;
}

.content-main {
  position: absolute;
  display: inline-block;
  text-align: justify;
  top: 30px;
  left: 100px;
  width: 690px;
  font-size: 20px;
}

.instruments {
  position: absolute;
  display: inline-block;
  text-align: justify;
  top: 100px;
  left: 165px;
  width: 690px;
  font-size: 20px;
}

.content {
  position: absolute;
  display: inline-block;
  top: 30px;
  left: 70px;
  font-size: 20px;
  width: 1000px;
}

.container-of-list {
  position: absolute;
  text-decoration: none;
  position: absolute;
  top: 100px;
  left: 50px;
  width: 700px;
  font-size: 20px;
}

/* Next Button  */

.next {
  position: absolute;
  left: 730px;
  top: 520px;
  padding: 10px 15px;
  color: white;
  background-color: rgb(20, 117, 228);
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#next-to-setup1 {
  visibility: visible;
}

#next-to-setup2 {
  visibility: hidden;
}

/* IMAGES  */

.transbox {
  position: absolute;
  /* border: 1px solid red; */
  left: 460px;
  top: 215px;
  width: 120px;
  height: 85px;
}

.mainPageImg-step1 {
  position: absolute;
  left: 180px;
  top: 200px;
}

.instruments-img {
  position: absolute;
  width: 600px;
  left: 0px;
  top: 200px;
}
* {
  margin: 0;
  padding: 0;
}

nav {
  height: 75px;
  /* border: 2px solid black; */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
}

.redline {
  /* border: 2px solid black; */
  height: 7px;
  width: full;
  background-color: #fd7e14;
}

.vlabs {
  font-size: 35px;
  font-weight: 400;
  color: #2c99ce;
  font-family: sans-serif;
}

nav .logo1 {
  height: 60px;
}

nav .logo2 {
  height: 70px;
}
/* .line {
    width: 100%;
    height: 1.6rem;
    background-color: #dce5ec;
} */

.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
}

#container {
  height: 600px;
  width: 800px;
  background-color: #dce5ec;
  position: relative;
}

.projection {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 2.5rem;
  letter-spacing: 0.1em;
  font-size: 1.6rem;
  background-color: rgb(20, 117, 228);
  color: rgb(255, 255, 255);
}

.texts {
  font-size: 14px;
}

.step1 {
  padding: 30px;
}

.content {
  display: flex;
  justify-content: space-around;
  position: absolute;
  top: 200px;
}

.images {
  position: absolute;
  left: 4px;
}

#arrowatindex {
  position: absolute;
  top: 350px;
  left: 560px;
  z-index: 1;
}

#btn1 {
  font-size: 16px;
  font-family: inherit;
  height: 40px;
  width: 100px;
  background-color: rgb(20, 117, 228);
  color: white;
  position: absolute;
  top: 344px;
  left: 613px;
  border-radius: 4px;
  border: none;
}

#btn1:hover {
  cursor: pointer;
}

#btn2 {
  font-size: 16px;
  font-family: inherit;
  height: 40px;
  width: 100px;
  background-color: rgb(20, 117, 228);
  color: white;
  position: absolute;
  top: 344px;
  left: 680px;
  border-radius: 4px;
  border: none;
}

#btn2:hover {
  cursor: pointer;
}

/* our css code of container1 ends here thank you */

.hide {
  display: none;
}

#container2 {
  height: 600px;
  width: 800px;
  background-color: #dce5ec;
  position: relative;
  /* padding-left: 70px; */
}

.projection2 {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 2.5rem;
  letter-spacing: 0.1em;
  font-size: 1.6rem;
  background-color: rgb(20, 117, 228);
  color: white;
}

ul {
  position: absolute;
  top: 80px;
  left: 70px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#container2 li a {
  text-decoration: none;
  font-size: 20px;
  color: blue;
}

#btn2 {
  position: absolute;
  top: 544px;
  left: 20px;
  font-size: 16px;
  font-family: inherit;
  height: 40px;
  width: 100px;
  background-color: rgb(20, 117, 228);
  color: white;
  border-radius: 4px;
  border: none;
}