html {
    background: url(../imagenes/fondo.jpg) no-repeat center center fixed;
    background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
}
body{
    text-align: center;
    zoom: 1.7;
}
h1{
    color: #f0ebd8;
    font-family:Arial, Helvetica, sans-serif;
    text-shadow:0px 5px 5px #2a2e3a;
}
#resultado{
    font-family:monospace;
    line-height: 60px;
    border-radius: 10px;
    margin-inline: 15px;
    color: #c7c3b6;
    background-color: rgba(255, 255, 255, 0.03);
    box-shadow: inset 2px 2px 5px 1px rgb(3, 3, 3), inset -2px -2px 5px 1px rgba(255, 255, 255, 0.1);
}
input{
    font-family: monospace;
    padding: 3px;
    padding-inline: 10px;
    margin-top: 0px;
    margin: 5px;
    color: #f0ebd8;
    border-style:none;
    width: 73%;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, 0.03);
    box-shadow: inset 2px 2px 5px 1px rgb(3, 3, 3), inset -2px -2px 5px 1px rgba(255, 255, 255, 0.1);
}
#cal{
    padding-top: 1px;
    background-color: rgba(255, 255, 255, 0.03);
    box-shadow: 1px 1px 4px 1px black, -1px -1px 9px -5px #fdfeff;
    backdrop-filter: blur(10px);
    height: auto;
    min-width: 250px;
    max-width: 250px;
    margin-inline: auto;
    border-radius: 10px;
}
#botones{
    background-color: rgba(255, 255, 255, 0.0003);
    min-width: 220px;
    margin-inline: auto;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    flex-flow: row wrap;
    justify-content: space-around;
    align-content: space-around;
    box-shadow: none;
    
}
button{
    color: #F0EBD8;
    height: 40px;
    width: 80px;
    margin: 5px;
    border-style: hidden;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.03);
    box-shadow: 2px 2px 5px 1px black, -2px -2px 5px 1px #1D2D44;
}
button:focus{
    box-shadow: inset 2px 2px 5px 1px rgb(3, 3, 3), inset -2px -2px 5px 1px rgba(255, 255, 255, 0.1);