*, *::before, *::after {
    box-sizing: border-box;
    /*font family: sans-serif;*/
}

#body{
    margin: 0;
    padding: 0;
    
    background: linear-gradient(to right,#b9bb2f ,#e0850c);
}

#calculatorBody{
    display: grid;
    justify-content: center;
    align-content:center;
    min-height: 100vh;
    grid-template-columns: repeat(4,100px);
    grid-template-rows: minmax(120px, auto)repeat(5,100px);
    
}

#calculatorBody > button{
    cursor: pointer;
    font-size: 40px;
    border: 1px solid white;
    outline: none;
    background-color: rgba(255, 255, 255, .75);
}

#calculatorBody > button:hover{
    background-color: rgba(225, 225, 225, .6);

}

.output{
    grid-column: 1/ -1;
    background-color: rgba(0,0 , 0, .75);
    display: flex;
    text-align: right;
    justify-content: space-around;
    flex-direction: column;
    padding: 10px;
    word-wrap: break-word;
    word-break: break-all;
}

#previousResult {
    color: rgba(255, 255, 255, .70);
    font-size: 20px;
}

#result{
    color: rgba(255, 255, 255, .90);
    font-size: 40px;
}