*{
    box-sizing: border-box;
}

body{
    background: url(../img/fondo_einstein.jpg);
    display: flex;
    flex-wrap: wrap;
}

h1{
    background-image: url(../img/titulo.jpg);
    width: 100%;
    text-align: center;
    color: white;
}


p{
    width: 100%;
    background-color: white;
    font-size: 1.3em;
    padding: 10px;
    text-indent: 50px;
    text-align: justify;
}


img{
    width: 27%;
    margin: 10px auto;
    border: 10px solid darkgrey;
}

p:nth-child(4), p:nth-child(6){
    background-color: pink;
}

p:first-of-type{
    background-color: pink;
}

p:nth-last-child(5){
    background-color: rgb(95, 221, 11);
}

p:last-of-type{
    background-color: aquamarine;
}

img[alt="einstein2"]{
    transition: 3s;
}

img[alt=einstein2]:hover{
    border: 40px solid red;
    border-radius: 50px;
    transition: 3s;
}