*{
    margin: 0;
    padding: 0;
}
.fundo{
background-image: linear-gradient(45deg,black,rgb(4, 111, 161));
height: 100vh;
color: #fff;
font-family: Arial, Helvetica, sans-serif;
text-align: center;

}
.Calculadora{
    position: absolute;
    background-color:rgb(0,0, 0.8);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 15px ;
    padding: 15px;
}
.botao{
   width: 50px;
   height: 50px;
   font-size: 25px;
   cursor: pointer;
   background-color: rgb(31, 31,31);
   color: #fff;
   border: none;
   margin: 3px;
}
.botao:hover{
    background-color: black;

}
#Resultado{
    background-color:white  ;
    width: 207px;
    height: 30px;
    margin: 5px;
    font-size : 25px; 
    color: black;
    text-align: right;
    padding: 5px;
}