styles.css

@import url('https://fonts.googleapis.com/css?family=Archivo+Black');

* { margin: 0; padding: 0; }

html,body {
    width: 100%;
    margin: 0px;
    padding: 0px;
    overflow-x: hidden; 
}

#top {
  height: 100px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  position: fixed;
  transition-duration: 0.5s;
  opacity: 35%;
}

#top:hover {
  background: radial-gradient(circle at left, white, transparent 40%);
  opacity: 100%;
}

#nav-bar {
  height: 100px;
  background-image: url("https://i.imgur.com/THmm5qc.png");
  background-size: 15%;
  background-repeat: no-repeat;
  background-position: left;
}

ul {
  margin-top: 0px;
  width: 100vw;
  list-style: none;
  font-family: 'Roboto Mono', monospace;
  font-size: 25px;
}



li a {
  text-decoration: none;
  color: black;
  margin: 0px 0px 0px 250px;
}

li a:hover {
}

li a:hover:before {
  content: "<";
}

li a:hover:after {
  content: " />";
}

#caratula {
  padding: 25px 50px 0px 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-image: url("https://i.imgur.com/1MzZJkP.png");
  background-size: 25%;
  background-position: center;
  background-repeat: no-repeat;
	background-attachment: fixed;
  height: 750px;
}

.main-title {
  color: #fed330;
  font-size: 150px;
  font-family: 'Bebas Neue', cursive;
  text-align: center;
}

#caratula p {
  color: black;
  font-family: 'Roboto Mono', monospace;
  color: black;
  text-align: right;
}

#projects h2 {
  padding-top: 50px;
  padding-bottom: 50px;
  color: white;
  font-family: 'Bebas Neue', cursive;
  font-size: 100px;
  text-align: center;
}

#projects {
  background-color: #3498db;
  height: 900px;
}

.proy-container {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: center;
}

#projects a {
  transition-duration: 0.5s;
  border-radius: 10px;
  border: 3px solid white;
  background-image: url("https://i.imgur.com/LlQ3d5P.png");
  background-repeat: no-repeat;
  background-size: 35%;
  background-position: center;
}

.project-title {
  font-family: 'Roboto Mono', monospace;
  text-decoration: none;
  font-size: 20px;
  text-align: center;
  font-weight: Bold;
  color: white;
  text-decoration: none;
  background-color: transparent;
}

.preview {
  position: relative;
  opacity: 0%;
  width: 300px;
  transition-duration: 0.9s;
  box-shadow: 20px -12px 46px 0px rgba(0,0,0,0.7);
}

.preview:hover {
  opacity: 100%;
}

.project-tile {
  text-decoration: none;
  margin: 30px;
  padding: 25px;
}

#contacto {
  height: 700px;
  background-image: url("https://i.imgur.com/cMStyqL.png");
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: bottom;
  background-color: #f1c40f;
}

#titulo-redes {
  padding-top: 50px;
  color: black;
  font-family: 'Bebas Neue', cursive;
  font-size: 100px;
  text-align: center;
}

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

.reds {
  padding: 0px 20px 10px 20px;
  transition-duration: 0.5s;
}

.reds:hover {
  opacity: 25%;
}


#final {
  background-color: #f1c40f;
  padding: 25px 10px 25px 10px;
}

@media only screen and (min-width: 1900px) { /* queries para ports enormes */
  
  html {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  max-width: 100vw;
}

  ul {
  margin-left: 100px;
}   

#caratula {
  background-size: 25%;
  background-position: top;
  height: 1250px;
  background-position: bottom;
}

#projects {
  height: 1250px;
}

  .preview {
  width: 500px;
  }   

  
}

@media (max-width: 450px) { /* queries para ports mobile */
   
  
    html {
      display: flex;
      flex-wrap: wrap;
      flex-direction: column;
      justify-content: center;
    }
  
      h2 {
        font-size: 50px;
      }
  
    #top {
    position: relative;
    align-items: left;
    opacity: 100%;
    }
  
    #nav-bar {
    background-size: 50%;
    } 
  
  
    ul {
    text-align: left;
    width: 300px;
    list-style: none;
    font-family: 'Roboto Mono', monospace;
    font-size: 20px;
    margin-left: 10px;
    margin-top: 20px;
    } 
  
  li a {
  margin: 10px 30px 0px 200px;
  }
  
  
li a:hover:before {
  content: "";
}

li a:hover:after {
  content: "";
}

.li-home:hover {
  opacity: 50%;
}

.li-proye:hover {
  opacity: 50%;
}

.li-contact:hover {
  opacity: 50%;
}
  
  #redes img {
    height: 40px;
    width: 40px;
  }
  
  #caratula {
    background-size: 50%;
    height: 500px;
    background-attachment: scroll;
  }
  
  .main-title {
    font-size: 70px;
  }
  
  #caratula p {
    padding-left: 20px;
    text-align: right;
    color: #fed330; 
    font-size: 20px;
  }

  #projects {
    height: 2000px;
    width: 100vw;
  }
  
  #projects h2 {
  font-size: 75px;
  text-align: center;
}

project-tile {
  position: relative;
  width: 250px;
  background-size: 35%;
}
  
.preview {
  width: 250px;
  opacity: 80%;
}
  
  #titulo-redes {
    font-size: 75px;
    text-align: center;
    padding-right: 20px;
  }

  #contacto {
    background-size: 100%;
    height: 500px;
}

  
}