*{
    box-sizing: border-box;
}

body{
    background:url(../img/violeta.png) left repeat-y ,url(../img/violeta.png) right repeat-y;
    background-size:3%;
    width: 95%;
    margin:10px auto;
    background-color:rgb(163,188,226);
}

h1{
    text-align:center;
    font-size: 2.6em; 
    font-family:"knewave";
    letter-spacing:10px;
    color:rgb(88, 0, 170);
    text-shadow:5px -5px 5px white;
    border-bottom: 8px solid rgb(88, 0, 170);
    width:99%;
    margin: 20px auto;
}

header{
    width:99%;
    margin:20px auto;
    background-color:white;
    display:flex;
    flex-wrap:nowrap;
    padding:10px;
    justify-content:space-between;

}

img{
    padding:5px;
    border:4px solid black;
}

div{
   width:80%;
   text-align:justify;
   font-size:1.4em;
}

main{
    width:90%;
    margin: 10px auto;
    display:flex;
    flex-wrap: wrap;
    justify-content:space-around;

}

article{
    width: 30%;
    height:300px;
    font-size:1.4em;
    padding:20px;
    margin:30px 0px ;

}

article:nth-of-type(even){
    border: 4px solid darkgreen;
    border-radius:30px;
    background-image: url(../img/verde.png);

}

article:nth-of-type(odd){
    border: 4px dotted white;
    color: white;
    background-color:orange;
}

article:nth-of-type(odd)::first-line{
    color: black;
}