*{
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 62.5%;
}

.grid--cols-2{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.Calculator{
    display: flex;
    flex-direction: column;
    align-items: center;

    
}

h1{
    font: 900;
    font-size: 5rem;
    padding-top: 10rem;
}

.input--field{
    display: flex;
    flex-direction: column;
    padding: 1rem 3rem;
    width: 30rem;
}

input{
    padding: 1rem 1.7rem;
    margin-bottom: .8rem;
    border-radius: 1rem;
    font-size: 2rem;
    border: 1px solid gray;
}

.btn{
  display: grid;
    grid-template-columns: repeat(2, 2rem);
    justify-content: center;
    align-items: center;
    align-content: center;
    justify-items: center;
    gap: .7rem 3.8rem;
    
}

.btn--secondary{
   padding: 1rem 2rem ;
   font-size: 1.9rem;
   border-radius: 1rem;
   border: 1px solid gray;
   box-sizing: border-box;
    
}

.btn-primary{
    width: 20rem;
    margin-top: 1rem;
    padding: 2rem;
    border-radius: 10rem;
    border: 1px solid ;
    font-size: 1.9rem;
    background-color: rgb(14, 107, 208);
    color: white;
   
}

.box--result{
    display: grid;
    justify-content: center;
    align-items: center;
    font-size: 8rem;
}

.btn1:hover{
    opacity: .7;
    cursor: pointer;
}

.btn1:active{
    opacity: .4;
}

/*result*/ 

.result--number{
    font-size: 15rem;
}