main {
    display: flex;
  }

  .main-left {
    display: flex;
    width: 15%;
    background-color: rgb(53, 53, 53);
    border-right: 2px solid black;
    justify-content: space-between;
    min-width: 200px;
    z-index: 2;
  }

  .getting-started {
    position:sticky;
  }
  
  .left-content {
    width: 100%;
    top: 50px;
    margin: 100px auto;
    text-align: center;
    color:white;
  }

  #version-number{
    text-decoration:none;
    color:white;
    text:normal;
  }

  #version-number:hover {
    text:bold;
    color:yellow;
  }






.main-buttons {

  width: 65%;
  border-radius: 5px;
  padding:15px;
  margin: 10px;
  display: inline-block;
}

#start-button {
  background-color:#323a69;
  text-decoration: none;
  color: white;
  border: 1px solid white;
}

#start-button:hover {
  border: 2px solid white;
  background-color:#0053c8;
}

#userguide-button {
  background-color:gray;
  text-decoration: none;
  color: white;
}

#userguide-button:hover {
  border: 1px solid white;
}


.right-pannel {
  display: flex;
  flex-direction: column;
  width: 100%;
  top:50px;
  min-width:300px;
}

.main-right {
  display: flex;
  justify-content: center;
  background-color:rgb(215, 215, 215);
  min-width:300px;
  width:100%;
}

#SPASE-big-logo {
  display: block;
  width: 100%;
  height: auto;

  left: 15vw;
}


#down-arrow {
  display: inline-block;
  position: relative;
  left: 8%;
  top: -966px;
  width: 100px;
  height: 96px;
  z-index: 2;
  padding: 30px 20px;
  background-color: gray;
  border-radius: 20px;
  opacity: 0.7;
  margin-left: 250px;
  overflow: hidden;
}

#down-arrow:hover {
  border: 2px solid white;
  background-color:rgb(177, 177, 177);
}

.bottom-right  {
  display: flex;
  background-color:white;
  text-align: center;
  padding-top:150px;
  border-top: 2px solid black;
}



.bottom-right-icons {
  display: inline-block;
  position: relative;
  width: 20%;
  text-align:center;
  font-weight:bold;
}

.right-small-images {
  display: inline-block;
  position: relative;
  bottom:0px;
  width: 100%;
  margin: 20px 0px;
  align-items: center;
  justify-content: center;
}

#learn-more {
  margin-top:150px;
}