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

    
a{
    text-decoration: none;
}
img{
    max-width: 100%;
    height: auto;
}
h1, h3, h4 {
    margin-bottom: 1em;
}

#contenedor {
    background-color: white;
    max-width: auto;
}

h1 {
    font-family: 'robotoblack';
    margin-top: 2rem;
    margin-bottom: 3rem;
    font-size: 2em;
    align-content: center;
    text-align: center;
}
 
header{
    padding: 2em;
}
header, f{
    background-color: #6ad88c;
    background-image: url(../img/pattern-01-01-01-01.jpg);
    background-repeat: repeat;
    background-position: center;
    background-size: cover;
    font-family: sans-serif; 
    color: #fd5800;
   
}


header h1 a{
    color: #FFE000
}


header a{
    text-decoration: none;
    font-family: 'robotomedium',sans-serif;
    color: #75e4ff;
}


header{
    text-align: center;
}


header{
    background-size: cover;
    font-family: sans-serif; 
    color: #fd5800;
}

header nav ul{
    margin: auto;
    align-content: center;
    margin-bottom: 2rem;    
}

header nav ul li{
    display: block;
    margin-bottom: 1rem;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
}


footer {
    background-color: #535050;
    font-family: serif;
    color: bisque;
    text-decoration-line: line-through; 
    text-align: center;
    
    
    
}
header{
    text-align: center;
}



nav ul{
    list-style: none;
}
nav ul li{
    margin-bottom: 0.5;
}
nav ul li a{
    display: block;
    background-color:#aaf4c0;
    color: cadetblue;
    padding: 0.25em;
}

nav ul li a: hover
nav ul li a: active{
    color: coral;
    background-color: cadetblue;