.vent {
    /* font-family: sans-serif; */
    position: fixed;
    background: #69a842;
    color: #fff;
    border: 1px solid rgb(15, 110, 11);
    width: 40vw;
    height: 420px;
    max-width: 270px;
    padding: 20px;
    top: 150px;
    right: 100px;
    visibility: hidden;
    opacity: 0;
    border-radius: 10px;
    /* transform: translate(-50%, -50%); */
    transition: all 500ms ease;
    z-index: 12000;
}
/* .oculto {
    visibility: visible;
    opacity: 1;
} */
@media (max-width: 860px) {
    .vent{
        right: 50px;
    }
}
@media (max-width: 550px) {
    .vent{
        right: 30px;
    }
}
@media (max-width: 510px){
    .vent {
        height: 370px;
    }
}

.vent .titulo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.vent .titulo button {
    padding: 5px;
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
    font-weight: bold;
    margin-bottom: 100%;
    border-radius: 50%;
    width: 37px;
    position: relative;
    top: -5px;
    left: -5px;
}
.vent .titulo button:hover {
    border: 1px solid green;
    color: green;
}

.vent h2 {
    text-align: right;
    font-size: 2em;
    margin: 20px 0 30px 0;
}

.vent .aceptar-descarga button {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 10px;
    transition: all 200ms ease;
    cursor: pointer;
    padding: 10px;
    margin-left: 10%;
    margin-bottom: 10%;
}
.vent .aceptar-descarga button:hover {
    color: green;
    border: 2px solid rgb(144, 238, 144);
}
.vent .aceptar-descarga a {
    text-decoration: none;
    color: #000;
}
@media (max-width: 660px) {
    .vent h2 {
        font-size: 26px;
    }
}
@media (max-width: 512px) {
    .vent h2{
        font-size: 16px;
    }
}