* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
main {
    width: 95%;
    max-width: 800px;
    margin: 0 auto;
}

.boton {
    margin: 30px auto;
    display: block;
    align-content: center;
    width: 200px;
    height: 80px;
    border-radius: 40px;
    text-transform: uppercase;
    font-size: 14px;
    cursor: pointer;
    background-color: white;
    color: black;
    border: 1px solid black;
    transition: box-shadow 0.1s;
    -webkit-box-shadow: 0px 3px 0px 0px rgba(0, 0, 0, 1);
    -moz-box-shadow: 0px 3px 0px 0px rgba(0, 0, 0, 1);
    box-shadow: 0px 3px 0px 0px rgba(0, 0, 0, 1);
}

.boton:active {
    -webkit-box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 1);
    -moz-box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 1);
    box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 1);
}

.contenedor {
  display: flex;
}
.contenedor-texto {
  padding: 0 30px;
}
h2 {
  font-size: 24px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
}

#imagen {
  height: 400px;
  max-width: 300px;
  object-fit: contain;
}
#extracto {
  margin-bottom: 30px;
}
#link {
  margin-bottom: 15px;
}
@media screen and (max-width: 767px) {
  .contenedor {
    flex-direction: column-reverse;
  }
  .boton {
    margin: 10px auto 20px;
    width: 160px;
    height: 60px;
    border-radius: 40px;
    font-size: 12px;
}

  #imagen {
    height: 120px;
    max-width: 250px;
    margin: 0 auto;
  }
  h2 {
    font-size: 20px;
    margin-top: 20px;
    margin-bottom: 10px;
  }
  #link {
    font-size: 12px;
  }
}