style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;
}

.header{
    width: 100%;
    height: 100vh;
    background-image: url('images/fondo.jpg');
    background-position: center;
    background-size: cover;
    opacity: 1;
}
nav{
    width: 100%;
    padding: 10px 0;
    text-align: center;
    color: beige;

}
.logo{
    width: 80px;
    margin: 20px 0;
    cursor: pointer;
}
nav ul {
    width: 100%;
    margin-top: 10px;
    background-color:#000;
    opacity: 0.8;
}
nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 15px;
    color: #fff;
    position: relative;
}
nav ul li a{
    text-decoration: none;
    color:#fff;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8rem;   
}

a{
    color: #fff;
    
    font-size: 0.8em;
}
.text{
  padding: 10px;  
}
nav.sticky{
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px 8%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: padding 1s;
}
nav.sticky ul{
    width: 100%;
    text-align: right;
}
body{
    background-color: #000;
}