.contenido
{
    background-color: white;
    margin: 0px auto;
    padding: 20px;
    width: 800px;
    border-radius: 10px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.letras {
    font-size: 13px;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    color: #666666;
    background-color: white;
    border-style: solid;
    border-width: 1px;
    border-color: #666666;
    border-radius: 5px;
}

.etiqueta {
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Old versions of Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently supported by Chrome, Opera and Firefox */
}

.entrada {
    padding-left: 4px;
    padding-right: 4px;
}

select {
   background: #ffffff url('Imagenes/selector.png') no-repeat 90% 0;
   overflow: hidden;
   border-radius: 5px;
}

select select {
    background: transparent;
    border: none;
}

fieldset {
    width: 740px;
    margin: 0px auto;
    padding: 10px;
    border-radius: 5px;
    border-width: 0px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.sinBorde {
    border: hidden;
}

.oculto {
    display: none;
}

.fondoEmergente {
    height: 100%;
    width: 100%;
    background-color: transparent;
    position: fixed;
    top: 0px;
    left: 0px;
}

.fondoObservaciones {
    background-color: #EEF2F8;
}

.bordeObservaciones {
    position: fixed;
    height: 280px;
    width: 340px;
    top: calc(100vh / 2 - 280px / 2);
    left: calc(100vw / 2 - 340px / 2);
}