*{
    margin: 0;
    padding: 0;

}
h1{
    margin-right: 100px;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 900;
}
.container{
    height: 100vh;
    display:flex;
    justify-content: center;
    align-items: center;
}
.calculator{
    height: auto;
    display:flex;
    flex-direction: column;
    justify-content: center;
    background-color: rgb(52, 55, 56);
    padding:50px 10px 10px 10px;
    border-radius: 30px;
}

#largebtn{
    width: 108px;
    height: 50px;
    background-color: rgb(250, 91, 34);
    border:none;
    margin: 2px 2px;
    border-radius: 15px;
}
#largebtn:hover{
    background-color: rgb(212, 77, 28);    
}
.button:hover{
    cursor: pointer;
    background-color:rgb(54, 51, 51);
}
.btn{
    background-color:rgb(255, 254, 254) ;
    height: 50px;
    width: 50px; 
    border:none;
    margin: 2px 2px;
    border-radius: 15px;
    text-align: center;
    box-shadow: rgb(102, 102, 104) 0px 20px 60px -10px inset, rgb(111, 110, 110) 0px 18px 36px -18px inset;
}

input{
    margin-bottom: 10px;
    border: none;
    text-align: right;
    font-size: 35px;
    box-shadow: none;
    width: 200px;
    background:none;
    color: white;
}
/* media quiry for small screen */
@media only screen and (max-width: 700px) and (min-width:100px) {
   .btn{
    height: 35px;
    width: 35px;
   }
   #largebtn{
    height: 35px;
    width: 80px;
   }
   input{
    width: 170px;
    height: 80px;
    font-size: small;
   }
   .calculator{
    padding:12px;
   }
   .container{
    flex-direction: column;
   }
   h1{
    margin: auto;
    margin-bottom: 20px;
    margin-top: 50px;
   }
    
}