body{
    background-image: url("elimgcss/23225.jpg");
  }

.retorno{
    text-align: center;
    padding-top: 10px;
    padding-bottom: 0;

}
.retorno a{
    text-align: center;
    background-color: #24303c;
    color: white;
    text-decoration: none;
}

.contenido{
    text-align: center;
    width: 90%;
    padding-left: 10%;
    padding-top: 3%;
}

.card{
    text-align: center;
    font-family: Trebuchet ;
    background: none;
    border: none;
}

.card-img{
    max-width: 500px;
    min-width: 300px;
    height: 250px;
    display:block;
    margin:auto;
}

h2{
    text-align: center;
    font-family: Trebuchet;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-weight: bold;
}

p{
    text-align: center;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 16px;
    color: black;
}