*{
    margin:0px;
    padding:0px;
    box-sizing: border-box;
    ;
}
body{
    width: 90%;
     margin: 0 auto;/*margen del body, se queda centrado*/
}
h1{
    text-align: center;
    font-size: 35px;
    padding: 30px;
    color: green;
}
header{
text-align: center;

}
h2{
    color: green;
}

.contenedor{
 
    border: solid 1px green;
    margin-bottom: 50px;
   
}
.caja{
    display: flex;
    flex-wrap: wrap;
    justify-items: center;
    margin: 10px;
    justify-content: space-around;
    
}
figure{
    display: inline-block;
   
    
    height: 280px;
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: 10px;
}
.cajitas{
 border: solid 1px green;
    width: 32%;
 height: 280px;
    text-align: center;
    align-items: center;
    justify-content: center;
    
    
}
figure:last-child {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 280px;
    text-align: center;
}
figcaption{
    border: solid green 1px;
    margin:10px;
    padding: 10px;
    font-size: 12px;

    
}
p{
    font-size: 20px;
    text-align: center;
    margin: 20px;
    margin-bottom: 30px;
   
    
}
a{
    text-decoration: none;
    color: yellowgreen;
}
.nombre{
    font-size: 30px;
}
ul{
    margin-top: 50px;
    margin-left: 200px;
    margin-bottom: 50px;
}
footer{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%; /* Para que ocupe todo el ancho */
    padding: 10px 0; /* Opcional: para darle un poco de espacio dentro del footer */
    text-align: center; /* para centrar el texto del footer */
    background-color:green ;
    color:white;
}
.negrita{
    font-weight: bold;
}