*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

  body {
   /* background-image: url('../img/wp6925776.jpg');*/
    background-size: auto 100vh;
    font-family: roboto;
    height: 100vh;
    font-size: 12px;
    /** background-image: url(https://wallpapercave.com/wp/wp6925776.jpg);*/
  }


/* se a tela tiver pelo menos 400px vai carregar estes estilos */
@media (min-width: 400px) {
  body {
    font-size: 14px;
  }
  header {
    font-size: 14px;
  }
}

/* breakpoint */
@media (min-width: 600px) {
  body {
    font-size: 18px;
  }
}

/* breakpoint */
@media (min-width: 1200px) {
  body {
    font-size: 20px;
    /*background-image: none;
    background-color: deeppink;*/
  }


}
  header {
    height: 50vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
    /*position: relative;
    display: flex;
    height: 300px;
    width: 300px;
    margin-top: 100px;
    
    align-items: center;
   primeiro teste que falhou
  }*/

  .menu {
    background: rgb(255, 195, 0);
    position: fixed;
    width: 100vw;
    top: 000;
    
    
   
  }
  .menu li {
    list-style: none;
  }
  .menu ul {
    display: flex; 
    justify-content: space-around;
  }
  .menu a{
    display: block;
    padding: 10px 20px ;
    background-color: rgb(219, 209, 59);
  }
  a {
    text-decoration: none;
    color: rgb(47, 79, 79);
    
  }
  a:hover {
    text-decoration: underline;
    text-decoration-color: rgb(0, 255, 255);
    color:  rgb(0, 255, 255);
  }
  .site-title, .site-subtitle {
    text-align: center;
  }
  .site-title {  
    color: rgb(255, 195, 0);
    font-size: 4em;
    font-family: 'Roboto', sans-serif;
    margin-top: 0px;
    margin-right: 0px;
    margin-bottom: 0px;
    margin-left: 20px;
  }
  .site-subtitle {  
    color: rgb(185, 095, 0);
    font-style: italic;
    font-family: 'Roboto', sans-serif;
  }

 .img-portfolio {
    width:100%;
    height: 2fr;
 }