* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  main {
    font-family: "Heebo", sans-serif;
  }
  
  .landing {
    min-height: 100vh;
    background:linear-gradient(to top, rgba(0,0,0, 0.5)50%,rgba(0,0,0,0.5)50%),url("hero.jpg");
    background-size: cover;
    background-attachment:fixed;
    -background-repert:no-repert; 
    background-position:center;
    -bacground-align:cover;
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding: 0rem 5rem;
  }
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 10vh;
  }
  .nav-links {
    display: flex;
    list-style: none;
  }
  .nav-links li {
    padding-left: 10rem;
    font-size: 1.2rem;
  }

  .nav-links a{
    text-decoration: none;
    color: #111;
    font-family: Arial;
    font-weight: bold;
    transition: 0.4s ease-in-out;
  }

  .nav-links a:hover{
    color: rgb(4, 0, 247);
  }

  .image img{
    width: 200px;
    height: 200px;
    position: absolute;
  }

  #logo {
    font-family: "Lobster", cursive;
    font-weight: lighter;
    font-size: 2rem;
  }
  
  .big-text {
    position: absolute;
    top: 20%;
    left: 26%;
    transform: translate(-50%, -30%);
    font-size: 5rem;
    font-family: "Lobster", cursive;
    color: rgb(75, 75, 75);
  }
  
  .intro {
    background:linear-gradient(to top, rgba(0,0,0, 0.5)50%,rgba(0,0,0,0.5)50%), url(intro.png);
    background-size: cover;
    background-attachment:fixed;
    -background-repert:no-repert; 
    background-position:center;
    -bacground-align:cover;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .slider {
    background:linear-gradient(to top, rgba(0,0,0, 0.5)50%,rgba(0,0,0,0.5)50%), url(hero.jpg);
    background-size: cover;
    background-attachment:fixed;
    -background-repert:no-repert; 
    background-position:center;
    -bacground-align:cover;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateY(100%);
  }

  
  .intro-text {
    color: rgb(8, 0, 0);
    font-family: "Heebo", sans-serif;
    font-size: 3rem;
  }
  
  .hide {
    overflow: hidden;
  }
  
  .hide span {
    transform: translateY(100%);
    display: inline-block;
  }
  
  .bubbles img{
    width: 50px;
    animation: bubble 7s linear infinite;
}

.bubbles{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
    position: absolute;
    bottom: -70px;
}

@keyframes bubble{
    0%{
        transform: translateY(0);
        opacity: 0;
    }
    50%{
        
        opacity: 1;
    }
    70%{
        
        opacity: 1;
    }
    100%{
        transform: translateY(-80vh);
        opacity: 0;
    }
}

.bubbles img:nth-child(1){
    animation-delay: 2s;
    width: 25px;
}
.bubbles img:nth-child(2){
    animation-delay: 1s;
}
.bubbles img:nth-child(3){
    animation-delay: 3s;
    width: 25px;
}
.bubbles img:nth-child(4){
    animation-delay: 4.5s;
}
.bubbles img:nth-child(5){
    animation-delay: 3s;
}
.bubbles img:nth-child(6){
    animation-delay: 6s;
    width: 20px;
}
.bubbles img:nth-child(7){
    animation-delay: 7s;
    width: 30px;
}