body{
    background-image: url(../imgs/network.jpg);
    background-size: cover;
    background-attachment: fixed;
}
/* Add a black background color to the top navigation */
.topnav {
    position: absolute;
    top:0;
    width: 100%;
    background-color: #333;
    overflow:hidden;
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
    float: right;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }
  
  /* Change the color of links on hover */
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  #logo{
      float: left;
       width: 20px;
      height: 20px; 
  }
  .topnav a.logo{
    float: left;
}
.logo img{
    width: 20px;
    height: 20px;
}

  /* Add an active class to highlight the current page */
  .topnav a.active {
    background-color: #04AA6D;
    color: white;
  }
  
  /* Hide the link that should open and close the topnav on small screens */
  .topnav .icon {
    display: none;
  }
/*Content das paginas - index*/
.content.index{
  background-color: rgba(0, 0, 0, 0.900);
  margin-left: 20%;
  margin-right: 20%;
  margin-top: 300px;
  padding: 0px 200px;
}
.content.index h2 {
  padding: unset;
  text-align: center;
  text-justify: inter-word;
}

/*Content das paginas - geral*/
.content {
  margin-left: 5%;
  margin-right: 5%;
  font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  font-size: 30px;
}
.content h1{
  text-align: left;
  color: hsl(234, 80%, 67%);
}
.content h2{
  padding-top: 40px;
  text-align: left;
  color: hsl(234, 80%, 67%);
}
.content h3{
  text-align: left;
  color: hsl(234, 80%, 67%);
}
.content h4{
  text-align: left;
  color: hsl(234, 80%, 67%);
}
.content p{
  font-size: large;
  text-align: justify;
  text-justify: inter-word;
  color:rgba(245, 245, 245, 0.76);
  margin-left: auto;
  margin-right:auto;
}
.content p.custom {
  padding-bottom: 50px;
}
.centered {
    padding: 50px 350px;
}

.content-wrap {
  background-color: rgba(0, 0, 0, 0.900);
  padding-bottom: inherit; 

}
.page_wrapper{
  min-height: 95.9vh;
}
iframe{
  width: 80%;
  height: 900px;
  margin-left: 10%;
  margin-right: 10%;
  margin-bottom: 5%;
}

.footer{
  position: relative;
  left: 0;
  bottom: 0;
  color: white;
  text-align: center;
  height: 2.5rem;
  width: 100%;
  background-color: #333;
  overflow: hidden;
  font-size: smaller;
}
.footer img{
  width: 20px;
  margin-left: 20px;
}
#button-top {
  display: none; /* Hidden by default */
  position: fixed; /* Fixed/sticky position */
  bottom: 20px; /* Place the button at the bottom of the page */
  right: 30px; /* Place the button 30px from the right */
  z-index: 99; /* Make sure it does not overlap */
  border: none; /* Remove borders */
  outline: none; /* Remove outline */
  background-color: hsl(234, 80%, 67%); /* Set a background color */
  color: white; /* Text color */
  cursor: pointer; /* Add a mouse pointer on hover */
  padding: 15px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}

#button-top:hover {
  background-color: #555; /* Add a dark-grey background on hover */
}


@media screen and (max-width: 1024px) {
  .content{
    position: relative;
    margin-left: 10px;
    margin-right: 10px;
  }
  .content.index{
    margin-left: 20%;
    margin-right: 20%;
    margin-top: 300px;
    padding: 0px 100px;
  }
  .content p{
    margin-left: auto;
    margin-right: auto;
    font-size: medium;
    text-align: left;
  }
  iframe {
    width: 80%;
    height: 500px;
    margin-left: 10%;
    margin-right: 10%;
  }
  .content-wrap {
    position: relative;
    margin-top: 5%;
  }
  .centered{
    padding: 90px 100px;
  }

  /* When the screen is less than 600 pixels wide, hide all links, except for the first one ("Home"). Show the link that contains should open and close the topnav (.icon) */
@media screen and (max-width: 768px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
    .content{
      margin-left: 50px;
      margin-right: 50px;
    }
    .content.index{
      margin-left: 20%;
      margin-right: 20%;
      margin-top: 250px;
      padding: 0px 90px;
    }
    .content p{
      margin-left: auto;
      margin-right: auto;
      font-size: medium;
      text-align: left;
    }
    .centered{
      padding: 100px 10px;
    }
    iframe {
      width: 95%;
      height: 500px;
      margin-left: 2.5%;
      margin-right: 2.5%;
    }
  }
  @media screen and (max-width: 480px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
    .content{
      margin-left: 10px;
      margin-right: 10px;
      font-size: medium;
      text-align: left;
    }
    .content.index{
      margin-left: 20%;
      margin-right: 20%;
      margin-top: 200px;
      padding: 0px 20px;
    }
    .content p{
      margin-left: auto;
      margin-right: auto;
      font-size: 15px;
      text-align: left;
    }
    .centered{
      padding: 150px 0px;
    }
    iframe {
      width: 98%;
      height: 400px;
      margin-left: 1%;
      margin-right: 1%;
    }
  }
  
  /* The "responsive" class is added to the topnav with JavaScript when the user clicks on the icon. This class makes the topnav look good on small screens (display the links vertically instead of horizontally) */
  @media screen and (max-width: 768px) {
    .topnav.responsive {position: relative; }
    .topnav.responsive a.icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      position: sticky;
      float: none;
      display: block;
      text-align: left;
    }
  }
}