* {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', 'Times New Roman', Times, serif, 'Gill Sans', 'Gill Sans MT';
}



#explicacion{
    font-size: 170%;
    text-align: center;
    color: #fff;
    text-shadow:2px 2px 5px rgb(17, 17, 17);

}
#explicacion p{
    text-align: justify;
}
#texPack{
    color:#0080ff;
    text-shadow:2px 2px 5px rgb(254, 254, 254);
}
#texPack:hover{
    text-shadow:0px 0px 0px rgba(254, 254, 254, 0);
}
#boton {
    background-color: rgb(34, 112, 202);
    width: 25%;
    max-width: 200px;
    border-radius: 4px;
    border-color: rgba(10, 10, 100, 0.521);
    font-size: 100%;
    cursor: pointer;
    color: #fff;
    height: 40px;
    margin: 1vw;
  }
  
  #boton:hover {
    background-color: rgba(8, 144, 185, 0.795);
    border-color: rgb(77, 118, 231);
  }

  #videoCobranza video{
    border-radius:15%;
    -webkit-border-radius:15%;
    -moz-border-radius:15%;
    -ms-border-radius:15%;
    -o-border-radius:15%;
    box-shadow:1px 1px 40px black;
}
/*tamaño compu*/
@media screen and (min-width: 1151px) {
    #principal{
        display: grid;
        grid-template-columns: 50% 50%;
        margin: 5vw;
    }
    #titleDemo{
        margin-top: 10vh;
        margin-bottom: 5vh;
        font-size: 5vw;
        color: #fff;
        text-align: center;
        text-shadow:2px 2px 5px rgb(17, 17, 17);
    }
    #videoCobranza video{
        width: 40vw;
}
}
/*tamaño tablet*/
@media screen  and (max-width: 1150px) {
    #principal{
        display: grid;
        grid-template-rows: auto;
        height: 80vh;
    }
    #titleDemo{
        margin-top: 10vh;
        margin-bottom: 2vh;
        font-size: 5vw;
        color: #fff;
        text-align: center;
        text-shadow:2px 2px 5px rgb(17, 17, 17);
    }
    #videoCobranza {
        margin: auto;
    }
    #videoCobranza video{
        width: 90vw;
    }
    #explicacion{
        margin: auto;
        margin-bottom: 3vh;
        width: 90vw;
        min-height: 50vh;
    }
}