.botonOp {
    height: 30px;
    width: 30px;
    font-size=20px;
    background: rgba(255, 255, 255, 1);
    background: -moz-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -webkit-gradient(left top, right top, color-stop(0%, rgba(255, 255, 255, 1)), color-stop(47%, rgba(246, 246, 246, 1)), color-stop(100%, rgba(237, 237, 237, 1)));
    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -o-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -ms-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#ededed', GradientType=1);
    border-radius: 10px;
    font-size: 8pt ;
}

.botonNum {
    height: 40px;
    width: 40px;
    font-size: 20px;
}

.botonIgual {
    height: 40px;
    width: 40px;
    font-size:20px;
    background-color:cadetblue;
}

.botonBin {
    height: 40px;
    width: 40px;
    background: rgba(255, 255, 255, 1);
    background: -moz-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -webkit-gradient(left top, right top, color-stop(0%, rgba(255, 255, 255, 1)), color-stop(47%, rgba(246, 246, 246, 1)), color-stop(100%, rgba(237, 237, 237, 1)));
    background: -webkit-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -o-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: -ms-linear-gradient(left, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(246, 246, 246, 1) 47%, rgba(237, 237, 237, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#ededed', GradientType=1);
    border-radius: 6px;
    font-size: 20px;
}

.title {
    color: black;
    text-align:center;
}