*{
    box-sizing: border-box;  
}

html{
    scroll-behavior: smooth; 
}
h1{font-size: 3.0em} 
h2{font-size: 2.7em}
h3{font-size: 2.5em}
h4{font-size: 2.3em}
p{font-size: 1.25em}

button{
    font-size: 1.5em;
    font-weight: 2.7em;
    padding: 10px*30px;
    border-radius: 5px;
    border: 2px solid rgb(0,0,0,3);
    box-shadow: 2px 2px 10px rgba(0,0,0,0,5);
    color: rgb(255, 255, 255); 
    background-color: rgb(79, 143, 73); 
}

button:hover{
    background-color: rgb(4, 34, 37); 
}

header{
    background-color: rgb(83, 61, 51); 
}

header .logo{
    margin: 0;
    padding: 25px 30px; 
    font-weight: bold; 
    color: rgb(123, 222, 235);
    font-size: 1.6em;
}

header .container{
    display:flex ;
    flex-direction: column; 
    align-items: center; 
}

header nav{
    display: flex;
    flex-direction: column;
    align-items: center;
}

header a{
    padding: 5px 12px; 
    text-decoration: none; 
    font-weight: bold;
    color: rgb(129, 202, 224);
}

header{
    color: brown;
}

body{
    margin: 0;
}

#HERO{
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgb(224, 201, 255);
    text-align: center;
    flex-direction: column;
    height: 80vh; 

    background-image: linear-gradient(  
        0deg,
        rgba(0,0,0,0.5),
        rgba(0,0,0,0.5)
    )
    ,url("img/01.jpg"); 
    background-repeat: no-repeat;
    background: cover;
    background-position: center center;
}

#MIRIS h1{
    color: aliceblue;
}

#QUIEN-SOY .container{
    text-align: center;
    padding: 400px 12px;
    color: antiquewhite;
    background-image: linear-gradient(  
        0deg,
        rgba(0,0,0,0.5),
        rgba(0,0,0,0.5)
    )
    ,url("img/quien soy.jpg");
    
}

#MIS-HOBBIES .container{
    text-align: center;
    padding: 400px 12px;
    color: antiquewhite;
    background-image: linear-gradient( 
        0deg,
        rgba(0,0,0,0.5),
        rgba(0,0,0,0.5)
    )
    ,url("img/mis-hobbies.jpg");

}

#MIS-HABILIDADES .container{
    background-color: rgb(30, 30, 30);
    text-align: center;
    color: antiquewhite;
}

#MIS-HABILIDADES h2{
    margin-top: 0;
}

#MIS-HABILIDADES p{
    display: none;
}


#MIS-HABILIDADES .carta{
    background: cover;
    background-position: center center;
    padding: 50px;
    margin: 20 px;
    border-radius: 15;
}


.carta:first-child{
    background-image: linear-gradient(
        0deg,
        rgba(0,0,0,0.5),
        rgba(0,0,0,0.5)
    )
    ,url("img/ccna.jpg");
}

.carta:nth-child(2){
    background-image: linear-gradient(
        0deg,
        rgba(0,0,0,0.5),
        rgba(0,0,0,0.5)
    )
    ,url("img/ites.png");
}

.carta:nth-child(3){
    background-image: linear-gradient(
        0deg,
        rgba(0,0,0,0.5), 
        rgba(0,0,0,0.5)
    )
    ,url("img/python.jpg");
}

footer{
    background-color:rgb(83, 61, 51); ;
}

footer .container{
    height: 50px; 
    display: flex;
    justify-content: center;
    align-items: flex-end;
}




@media (min-width: 720px){
    header{
        position: fixed;
        width: 100%;
    }

    header .container{
        flex-direction: row;
        justify-content: space-between;
    }

    header nav{
        flex-direction: row;
        padding-bottom: 0;
        padding-right: 20px;
    }
}

body{
    margin: 0;

}