:root{
    --color1:#05AFF2;
    --color2:#F2F2F2;
    --color3:#99E2F2;
}
*{
    padding:0;
    margin:0;
    box-sizing: border-box;
    font-family: sans-serif;
}
#contenedor{
    width:80%;
    margin: 20px auto;
    border: 1px solid grey;
    padding: 5px;
}
header{
    height: 100px;
    background-color: var(--color1);
    display: flex;
    flex-direction: row; 
    justify-content: space-between;
    align-items: center;
    margin:5px;
}
header img{
    height: 100%;
}
header h3{
    color:white;
    padding-right: 20px;
    text-transform: uppercase;
}
nav{
    margin:5px;
    height: 90px;
}
nav ul{
   
   list-style: none; 
   display: flex;
    flex-direction: row;
    justify-content: end;  
      
}
nav ul li{
    list-style-type: none;
    min-width: 120px;
}
nav ul li a{
    text-decoration: none;
    background-color: black;
    color:white;
    padding:5px 20px;
    display: block;
    
}
nav li a:hover{
    background-color: #434343;
    
}
nav ul li ul{
    display: flex;
    flex-direction: column;
    display:none;
}
nav ul li:hover >ul{
    display:block;
}
main{
    margin:5px;
    padding:5px;
    text-align: justify;    
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    background-color:whitesmoke;    
}
section{
    width: 60%;
    padding:5px;
}

article{
    margin: 10px 0;
}
article img, aside img{
    width: 90%;
    margin: 10px 0;
    border-radius: 10px;
    display: block;
    margin: 10px auto;
}
aside{
    width: 30%;
    padding:5px;
    font-size: 1em;   
}
aside img{
    width:90%;
    display: block;
    margin:10px auto;    
}
h4,h5{
    text-align: center;
    padding:5px 0;
    margin: 10px 0;
}
h4{
    background-color: black;
    color:white;
    padding:10px 0;
    text-transform: capitalize;
}
h5{
    margin-top:10px;
}
p{
    padding:10px;
    margin-top: 10px;
}
article li{
    padding:5px 10px
}
footer{
    background-color: var(--color1);
    margin:5px;
    padding: 5px;
    text-align: center;
    color:var(--color2)
}
footer a{
    color:var(--color2);
}
footer p{
    padding: 2px;
}
footer i{
    font-size: 1.5em;
}

#content{
    width:70%;
    margin:25px auto;
    border:1px solid grey;
}
#titulo{
    background-color: #434343;
    color:white;
    font-size: 1.5em;
    text-align: center;
    padding:10px;
    margin:10px;
}
#video-responsive{
    padding:10px;
    margin:10px;
    border:1px solid grey;
    position:relative;
    padding-bottom: 56.25% ;
    height: 0;
}
#video-responsive iframe,#video-responsive video{
    position: absolute;
    top:0;
    left:0;
    width: 100%;
    height: 100%;
}

#inicio{
    text-align: center;
    margin: 20px;
    font-size: 1.2em;
}