*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body{
    background-color: antiquewhite;
}

header h1{
    background-color: black;
    display: block;
    margin: auto;
    color: white;
    padding: 30px 0;
    width: 100%;
    text-align: center;
}

ul{
    width: 100%;
    display: flex;
    background-color: gray;
    text-align: center;
}

ul li{
    list-style: none;
    display: flex;
    padding: 10px;
    margin: auto;
}

ul li a{
    text-decoration: none;
    color: white;
    padding: 7px;
    border: 2px transparent solid;
    transition: all ease-in-out 0.3s;
}

ul li a:hover{
    border-radius: 50PX;
    border: 2px white solid;
}

section{
    margin: 30px auto;
    width: 500px;
    max-width: 80%;
    text-align: center;
}

section article{
    background-color: rgb(223, 223, 223);
    margin: 20px 0;
    border-radius: 10px;
    transition: all ease-in-out 0.3s;
}

section article:hover{
    box-shadow: 0 0 10px rgb(173, 173, 173);
}

article h2{
    padding: 10px;
}

article div p{
    max-width: 100%;
    padding: 20px;
}

article div img{
    width: 100%;
}

footer{
    width: 100%;
    background-color: black;
    color: white;
    text-align: center;
    padding: 20px 0;
}

.contenedor-formulario{
    text-align: center;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    width: 600px;
    max-width:80%;
    border: solid black 1px;
    border-radius: 10px;
    background-color: white;
    padding: 20px 0;
    margin: 50px auto;
}
.contenedor-formulario label, input, select{
    margin: 10px;

}