*{
    margin: 0px;
    padding: 0px;
    list-style: none;
    box-sizing: border-box;
    text-decoration: none;

}
.contenedor{
    margin: 0 auto;
    width: 75%;
}
header{
    background: url(img/banner.png) ;
    background-color: #cccccc;
    height: 500px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}
header nav ul{
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    flex-flow: wrap;
}
header nav ul li{
    font-family: candara;
    font-weight: bold;
    margin-top: 10px;
    margin-left: 30px;
    border: 1px solid white;
    border-radius: 5px;
    padding: 15px 20px;
    background-color: #e27148;
    border: 1px solid black;
    color: white;
}
header nav ul a{
    text-decoration: none;
}
.secciones{
    width: 100%;
    margin-top: 20px;
    display: flex;
    flex-direction: row;
    justify-content: space-around;

}
.art{
    width: 22%;
    display: flex;
    justify-content: center;
    height: 400px;
    align-items: center;
    border-radius: 5px;
    
}
figcaption{
    font-size: 50px;
}
.articulo1{
    background-color: #8fb8e2 ;
}
.articulo2{
    background-color: #e27148 ;
}
.articulo3{
    background-color: #06a694 ;
}
.articulo4{
    background-color: #f5c750 ;
}
figure a figcaption{
    margin-top: 50px;
    transition: background-color .5s;
    border: 1px solid black;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    font-family: candara;
    text-align: center;
    padding: 10px 10px;
    box-shadow: 2px 2px 2px 1px rgba(0, 0, 0, 0.2);
    color: black;
}
.articulo1 figure a:hover figcaption{
    background-color: #06a694 ;
}
.articulo2 figure a:hover figcaption{
        background-color: #f5c750 ;
 } 
 .articulo3 figure a:hover figcaption{
    background-color: #8fb8e2 ;
} 
.articulo4 figure a:hover figcaption{
    background-color: #e27148 ;
} 
.pdf{
    width: 99%;
    height: 98vh;
}