h1 {
    text-align: center;
    color: #F4D03F;
    background-color: #FF0000;
    margin-left: 10%;
    margin-right: 10%;
}

h2 {
    text-align: center;
    color: #F4D03F;
    background-color: #FF0000;
    margin-left: 25%;
    margin-right: 25%;
}

body {
    background-image: url(imagenes/fondo.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

#portada {
    height: 300px;
    width: 200px;
    margin-left: 40px;
    margin-right: 40px;
    margin-top: 30px;
}

div {
    height: auto;
    width: auto;
    display: inline-block;
    
}
#portada:hover {
    border-radius:5%;
-webkit-border-radius:5%;
box-shadow: 0px 0px 15px 15px #E5E7E9;
-webkit-box-shadow: 0px 0px 15px 15px #FF0000;
}
#portada:hover {-webkit-transform:scale(1.3);transform:scale(1.3);}
#portada {overflow:hidden;}

#boton {
    padding: 9px 10px;
    float: right;
    margin-right: 20%;
    border-radius: 10%;
}