.sections {
    border: solid 1px;
    width: 100%;
}
.a-video{
    text-decoration: none;
    color: black;
}

.cuadro-contenedor {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}

.video-contenedor {
    width: 400px;/*ancho de video*/
    height: auto;
}

.cuadro-video {
    border-radius: .8rem;
    height: 220px;/*alto de video*/
    width: auto;

    overflow: hidden;
}

.details {
    height: 2.5rem;
    overflow: hidden;
    padding: 0.3rem 1rem;
}

.details h3{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.caja-button-centrado{
    display: flex;
}
.ocultos {
    display: none;
}

.button-mas {
    border: solid;
    border-radius: 1rem;
    height: 2rem;
    width: 5rem;
    margin: 5px auto;
    color: black;
    text-decoration: none;
    
    cursor: pointer;
}

/**aca el a para boton*/

.caja-button-centrado a{
    display: flex;
    justify-content: center;
    align-items: center;
}

/***nuevos estilos para cambiar anteriores**/
@media(max-width: 600px){
    .a-video2{ 
        width: 100% !important;
    }
}
.a-video2{ /*a-video cambiado por : cuadro-video*/
    width: 400px;/*ancho de video 400px  con 100% funciona en media celular*/
    height: auto;
    z-index:1;                                                                                  /*poner header en 2*/
}
header {
    z-index:2 !important;
}
.video-contenedor2 {
    
    border-radius: .8rem;
    height: 220px;/*alto de video*/
    width: auto;
    overflow: hidden;

    position: relative;
    padding-bottom:56.25%;
    height: 0;
}
.video-contenedor2 iframe{
    position:absolute;
    top: 0;
    width:100%;
    height: 100%;
    left:0;
}
.fin-videos{
    width: 400px;
    height: auto;
    z-index: 1;
    text-decoration: none;
    color: black;
}
.fin-contenedor2 {
    width: auto;
    height: 220px;
    border-radius: .8rem;
}

/*titulo section*/

section h2{
    margin: .6rem 0 .9rem .6rem;
}

/************************publicidad***************************************/

.publicidad-registrarse {
    background-image: url(../static/img/publicidad1.jpg);
    display: flex;
    flex-direction: row-reverse;
    height: 18rem;
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
}
.publicidad-boton {
    border-radius: 1rem;
    border: none;
    width: 2rem;
    height: 2rem;
    margin: 0.3rem;
    display: flex;
    justify-content: center;
    flex-direction: row;
    font-size: medium;
    background-color: lightgrey;
    font-weight: 800;
    align-items: center;
    cursor: pointer;
}
.publicidad-boton:hover{
    background-color: grey;
}

/*original pc*/
@media( max-width: 800px){      /*tablets*/
    .publicidad-registrarse {
        height: 14rem;
    }
}
@media(max-width: 500px){       /*celulares*/
    .publicidad-registrarse {
        height: 11rem;
    }
}