*{
    margin: 0;
    padding: 0;
}

.calculadora{
    display: block;
    margin: 0 auto;
    margin-top: 50px;
    width: 400px;
    height: 540px;
    background-color: black;
    text-align: center;
    border-radius: 8px;
}

#divPantalla{
    display: block;
    padding: 10px;
    margin-bottom: 25px;
    padding-right: 50px;
    padding-left: 35px;
}

#divPantalla > input[type="text"]{
    width: 100%;
    height: 70px;
    border: 1px solid black;
    border-radius: 5px;
    font-size: 30px;
    text-align: right;
    padding-right: 10px;
}

.botones{
    display: grid;
    grid-template-columns: repeat(4, 80px);
    padding: 5px;
    gap: 8px;
    justify-content: center;
}

.botones > input[type="button"]{
    width: 70px;
    height: 70px;
    padding: 5px;
    text-align: center;
    font-size: 22px;
    border-radius: 50%;
    background-color: #333;
    border: none;
    cursor: pointer;
    color: white;
    transition: all 0.3s;
}

.botones > input[type="button"]:hover{
    background-color:#606060;
}

 .colorRojo{
    color: red !important;
    background-color: #606060 !important;
}

.color{
    color: rgb(6, 252, 6) !important;
    background-color: #606060 !important;
}

.colorVerde{
    background-color: rgb(8, 209, 8) !important;
}

.colorRojo:hover, .color:hover {
    background-color: #333 !important;
}

.colorVerde:hover{
    background-color: green !important;
}