*{
margin: 0;
padding: 0;
font-weight: 900;
font-size: 1rem;
}

body{
    background-color: #3B4664;
}

h2{
    color: #fff;
    font-size: 1.5rem;
    letter-spacing: 1.2px;
    background-color: #3B4664;
    padding-bottom: 5%;
    /* text-align: center; */

}
.center{
    margin: auto;
    margin-top: 3%;
    height: 80%;
    width: 30%;
    background-color: #3B4664;
}


.inp-dis{
    /* margin: ; */
    height: 20%;
    width: 100%;
    border-radius:10px ;
    background-color: #181F32;
    color: #fff;
    font-size: 2rem;
    letter-spacing: 2px;
    text-align: end;
    border:none;
    padding-right: 5%;
}

.display{
    
    padding-bottom: 5%;
    background-color: #3B4664;
}

.keys{
    height:70%;
    width: 100%;
    background-color:#252D44;
    padding-top: 7%;
    border-radius: 20px;

}


.row-1, .row-2, .row-3, .row-4, .row-5{
    display: flex;
    justify-content: space-around;
   padding-bottom: 5%;
}

.btn{
    width: 19%;
    height: 3rem;
    border-radius: 10px;
    border: none;
}

.reset, .equal{
    width: 45%;
    height: 3rem;
    border-radius: 10px;
    margin-bottom: 5%;
    border: none;
}

#delete, .reset{
    background-color: #647299;
    color: #fff;
}

.equal{
    background-color: #D13F30;
    color: #fff;
}

@media screen and (max-width:767px){
    body{
        /* background-color: blue; */
    }
    .center{
        
        margin-top: 15%;
        height: 70%;
        width: 95%;
        /* background-color: aliceblue; */
        border: none;
    }
    .display{
        padding-bottom: 10%;
    }

    .keys{
        padding-top: 15%;
    }
}