#box_1 {
    position: relative;
    width: 900px;
    margin: 0 auto;
}
#box_2 {
    margin: 0 auto;
    padding: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background-color: rgb(249, 91, 52);
}
p{
    display: block;

}
#box_2 p{
    position: relative;
    bottom: 8px;
    left: 213px;
}
div{
    display: block;
}

/* ---------- Botones ---------------- */
.next {
    border-radius: 200px 200px 200px 200px;
    border: 5px rgb(232,78,26) solid;
    margin-left: 50%;
    text-decoration: none;
    color: white;
    font-family: sans-serif;
    font-size: 20px;
    background-color: rgb(232,78,26);
    box-shadow: 2px 2px 2px black;
}
.next:hover{
    background-color: darkred;
    border: 5px darkred solid;
}