*{
    box-sizing: border-box;
    margin: 10px auto;
}


body{
    background-color:peru; 
    display: flex;
    flex-wrap:wrap;
    /*background-image: url(../img/foto1.png);
    background-repeat: repeat-x;
    background-size: 200%;
    background-position-x: -90%;
    background-position-y: 40%;
    background-blend-mode: multiply
    */
}

h1:nth-of-type(1){
    color: red;
    background-color: black;
    /*background-image: url(../img/foto1.png);
    background-position-y: 65%;
    background-size: 5%;
    */
    width: 70%;
    /*margin-left: 15%;*/
    text-align: center;
    letter-spacing: 20px;
    text-decoration: underline dotted 5px red;
    /*padding: 20px;*/
    transition: 3s;
}
#uno{
    width: 50%;
    color: green;
    background-color: pink;

}    

.dos{
    width: 80%;
    color: rgb(152, 57, 136);
}
h1:nth-of-type(4){
    color:pink ;

}
h1:hover{
    background-color: aquamarine;
    color: brown;
    transition: 3s;
}

h1:active{
    background-color: rgb(236, 87, 19);

    transition: 3s;
}
div{
    width: 100%;
    margin-top: 2px;
}