body{
  background-image:url("img/background.png"); 
}

.principal{
  height: 75%;
  flex-direction: column;
  display: flex;
  align-content: center;
  justify-content: flex-start;
}

.projeto {  
  flex-grow:1;
  width: 100%;
  justify-content: center;
  align-content: center;
  display: flex;
  flex-wrap: wrap;
}

.projeto > div {
  font-family: Arial, Helvetica, sans-serif;
  background-color: rgb(83, 83, 0);
  width: 300px;
  height: 290px;
  margin: 25px;
  color:white;
  text-align: center;
  font-size: 1.4em;
  border-radius: 14px;
}

.projeto > div:hover{
  background: rgb(180, 180, 67);
  box-shadow: #131212;
}

.icones{
  display: flex;
  gap: 5px;
  height: 60px;
  justify-content: center;
  align-items: center;
}

h1{
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 2em;
  color: white;
  animation-name: teste;
  animation-duration: 2.5s;
}

p{
  justify-content: left;
  text-align: left;
  font-family:'Franklin Gothic Medium', 'Arial Narrow';
  font-size: 1.1em;
  color: yellow;
  animation-name: teste2;
  animation-duration: 2.5s;
}

h2{
  font-family:'Franklin Gothic Medium', 'Arial Narrow';
  font-size: 1.5em;
  animation-name: teste;
  animation-duration: 3.5s;
  color: white;
}

.topnav {
   /*margin-bottom: 100px;*/
    width: 100%;
    overflow: hidden;
    transition-duration: 0.4s;
  }
  
  .topnav a {
    float: left;
    font-family: Arial, Helvetica, sans-serif;
    color: yellow;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 20px;
    transition-duration: 0.2s;
  }
  
  .topnav a:hover {
    background-color: #131212;
    color: white;
    border-radius: 14px;
  }
  
  .main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    animation-name: teste;
    animation-duration: 2.5s;
  }

  @keyframes teste {
    from {color: black;}
    to {color: white;}
  }

  @keyframes teste2 {
    from {color: black;}
    to {color: yellow;}
  }

  button {
    background-color: yellow;
    border: none;
    color: black;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
    margin: 4px 2px;
    cursor: pointer;
    transition-duration: 0.4s;
  }

  button:hover {
    background-color: rgb(83, 83, 0);
    color: white;
  }


  .texto{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 25px;
    color: white;
    animation-name: teste;
    animation-duration: 2.5s;
  }