main{
    width: 85%;
    left: 0;
    right: 0;
    margin: 0 auto;
}
body{
    margin-bottom: 100px;
}
h1{
    color: #281055;
    font-size: 5em;
}
h2{
    color: #5e0543;
    font-size: 3em;
}
p{
    color: #0b2470;
    font-size: 1.5em;
}
.appli{
    display: flex;
    flex-wrap: wrap;
}
.el_video{
    width: 700px;
    max-width: 100%;
}
.cont_descarga{
    display: flex;
    width: 30%;
    height: 500px;
    margin: auto;
    flex-direction: column;
    justify-content: space-around;
}
.refe{
    color: black;
    display: inline-block;
    font-size: 4vh;
    margin: 0 auto;
    width: 100%;
    height: auto;
    text-align: center;
}
.desc_app{
    display: inline-block;
    font-size: 5vh;
    text-align: center;
    margin: 0 auto;
    width: max-content;
    height: max-content;
    padding: 7vh 5vh;
    border-radius: 25px;
    color: white;
    background-color: #109E10;
    
}
.desc_app:hover{
    background-color: #44A144;
    color: #E5EFF0;
    font-size: 5.5vh;
}
.imp_style_parr{
    font-style:italic;
    font-size:3.1vh;
    text-decoration:underline;
}
@media screen and (max-width : 970px){
    .cont_descarga{
        width: 100%;
    }
}