body {
    margin:0 auto;
    background: black;
    display:flex;
    min-height: 100vh;
    text-align: center;
    flex-direction: column;
}

#particles-js {
	height: 100vh; 
	width: 100%;
    position: fixed;
    z-index: -1;
}
.presentacion {
    color:orange;
    font-size: 2rem;
    text-align:center;
    margin:0 auto;
    font-family: 'Pattaya', sans-serif;
    padding:0
}
.presentacion h1 {
    margin-bottom:0
}

.presentacion h1 span {
    font-size:3rem;
    margin-top:0
}
img {
    width:150px;
    height:auto;
    margin-top:40px
}


.iniciar {
    color:white;
    font-size: 2rem;
    text-align:center;
    margin:0 auto;
    margin-top:45px;
    display:block;
}
.iniciar a{
    text-decoration: none;
    color:yellow;
}
.iniciar a:hover {
    color:green;
    cursor:pointer;
}
.iniciar p {
    font-size: 1rem;
    color:grey
    
}

.animate__animated.animate__bounce {
    --animate-duration: 1s;
}

.parpadea {
  
    animation-name: parpadeo;
    animation-duration: 1s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
  
    -webkit-animation-name:parpadeo;
    -webkit-animation-duration: 1s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
  }
  
  @-moz-keyframes parpadeo{  
    0% { opacity: 1.0; }
    50% { opacity: 0.0; }
    100% { opacity: 1.0; }
  }
  
  @-webkit-keyframes parpadeo {  
    0% { opacity: 1.0; }
    50% { opacity: 0.0; }
     100% { opacity: 1.0; }
  }
  
  @keyframes parpadeo {  
    0% { opacity: 1.0; }
     50% { opacity: 0.0; }
    100% { opacity: 1.0; }
  }
  
/*-------CUBO------*/
.contenedor {
    margin:0 auto;
}