.fondo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: .3s ease;
    z-index: -1;
    background: #000;
}
.fondo.active {
    opacity: 0.5;
    z-index: 2;
}
.ventana {
    color: #1b053f;
    background: white;
    max-height: calc(100% - 100px);
    position: fixed;
    top: 50%;
    left: 50%;
    width: 70%;
    height: auto;
    transform: translate(-50%, -50%);
    visibility: hidden;
    opacity: 0;
    transition: .3s ease;
    border-radius: 25px;
    text-align: center;
    border: 4px solid #5878CA;
    box-shadow: 3px 3px #0833A2;
    line-height: 0.8em;
    box-sizing: border-box;
    padding: 10px;
}

.ventana.active {
    visibility: visible;
    z-index: 2;
    opacity: 1;
}

.btnaceptar {
    font-size: 1rem;
    border: 2px solid #054914;
    padding: 5px;
    width: 90px;
    cursor: pointer;
    background-color: #49ce6a;
    color: #100f0f;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 50px;
}
.btncerrar {
    font-size: 1rem;
    border: 2px solid #9e1d0a;
    padding: 5px;
    width: 90px;
    cursor: pointer;
    background-color: #e1a708;
    color: #100f0f;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 50px;
}

.imgusuario {
    display: inline-block;
    border: 0;
    width: 40px;
    height: 40px;
    text-align: right;
    cursor: pointer;
    padding: 15px;
}

.inputusu{
    width: 80%;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 0.5rem;
    text-align: center;
  
}

.vmh2 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.2rem;
    line-height: 0.5rem;
    text-align: center;
}

@media only screen and (max-width:1220px) {

.fondo {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: .3s ease;
        z-index: -1;
        background: #000;
    }

    .fondo.active {
        opacity: 0.5;
        z-index: 2;
    }

    .ventana {
        color: #1b053f;
        background: white;
        max-height: calc(100% - 100px);
        position: fixed;
        top: 50%;
        left: 50%;
        width: 70%;
        height: auto;
        transform: translate(-50%, -50%);
        visibility: hidden;
        opacity: 0;
        transition: .3s ease;
        border-radius: 25px;
        text-align: center;
        border: 4px solid #5878CA;
        box-shadow: 3px 3px #0833A2;
        line-height: 0.8em;
        box-sizing: border-box;
        padding: 10px;
    }

    .ventana.active {
        visibility: visible;
        z-index: 2;
        opacity: 1;
    }

    .btnaceptar {
        font-size: 1rem;
        border: 2px solid #054914;
        padding: 5px;
        width: 90px;
        cursor: pointer;
        background-color: #49ce6a;
        color: #100f0f;
        text-decoration: none;
        font-family: Arial, Helvetica, sans-serif;
        border-radius: 50px;
    }

    .btncerrar {
        font-size: 1rem;
        border: 2px solid #9e1d0a;
        padding: 5px;
        width: 90px;
        cursor: pointer;
        background-color: #e1a708;
        color: #100f0f;
        text-decoration: none;
        font-family: Arial, Helvetica, sans-serif;
        border-radius: 50px;
    }

    .imgusuario {
        display: inline-block;
        border: 0;
        width: 40px;
        height: 40px;
        text-align: right;
        cursor: pointer;
    }

    .inputusu {
        width: 80%;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 1rem;
        line-height: 0.5rem;
        text-align: center;
    }

    .vmh2 {
        font-family: Arial, Helvetica, sans-serif;
        font-size: 1.2rem;
        line-height: 0.5rem;
        text-align: center;
    }

}