#calendar {
    display: none;
    position: absolute;
    left: -20px;
    top: -160px;
    font-family: Arial;
    font-size: 12px;
    width: 280px;
    height: auto;
    border: 1px solid #006699;
    background-color: white;
    z-index: 2;
}

    #calendar caption {
        text-align: left;
        padding: 5px 10px;
        background-color: white;
        color: black;
        font-weight: bold;
        font-size: medium;
    }

        #calendar caption div:nth-child(1) {
            float: left;
        }

        #calendar caption div:nth-child(2) {
            float: right;
        }

            #calendar caption div:nth-child(2) a {
                cursor: pointer;
            }

    #calendar th {
        background-color: #006699;
        color: #fff;
        width: 40px;
        padding:5px 0px;
        text-align:center;
    }

    #calendar td {
        padding: 2px 5px;
        background-color: white;
        text-align: center;
    }

    #calendar .hoy {

    }

    #calendar .dia {
        cursor: pointer;
    }

.btnCalendar {
    display: inline-block;
    margin-left: 15px;
    font-size: 15px;
    cursor: pointer;
}

.divTabla {
    display:flex;
    border: 0px solid red;
    height:25px;
}

    .divTabla > div {
        padding: 0px 0px;
        border: 0px solid red;
    }

    .divTabla > div:nth-child(1) {
        width: 90px;
    }

        .divTabla > div:nth-child(1) > div {
            padding-top: 5px;
        }
    
    .divTabla > div:nth-child(2) {
        text-align:center;
        width: 80px;
    }
    
    .divTabla > div:nth-child(3) {
        text-align: center;
        width: 100px;
    }

    .divTabla select {
        margin:0px;
    }

#calendar select {
    display:inline-block;
    font-size:11px;
    font-weight:600;
    width:auto;
}

#calendar select > opcion {
    font-size: 9px;
}

/*---------------------------------------------------------------*/

@media screen and (max-width: 960px) {

    #calendar {
        border: 2px solid #006699;
        width: 100%;
    }

    .divTabla {                             /*contenedor selector año y mes*/
        margin-top:5px;
        border: 0px solid red;
        width:100%;
        height: 35px;
    }

        #calendar caption {
            width:100%;
            height:55px;
        }

        #calendar select {
            font-size: 14px;
        }

            #calendar select > opcion {
                font-size: 12px;
            }

    #calendar thead {
        border: 0px solid red;
    }

    #calendar th { /*ancho barra dias semana*/
        font-size:14px;
    }

    #calendar td { /*ancho barra dias semana*/
        font-size: 14px;
    }

}