*{
    box-sizing: border-box;
}
body{
    display: flex;
    flex-wrap:wrap
}

article{
    width: 65%;
    height: 46%;
    margin: 20px auto;
    border-bottom: 5px dotted grey;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;

}
h1{
    width: 100%;
    background-color: red;
    color: white;
    font-size: 3em;
    padding: 8px;
}
h2{
    color: grey

}
h3:first-of-type{
    color: red;
}
h3:last-of-type{
    color: red;
}
/*
h2:nth-child(2) para que sea el segundo hijo{
    color: red;
*/
img{
    width: 25%;
}
.texto{
    width: 75%;
    padding: 30px;
}