Caliculator.css

*{
    margin:0;
    padding:0;
    font-family:'Poppins',sans-serif;
    box-sizing:border-box;
}
.container{
    width:100%;
    height:100vh;
    background: #e3f9ff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calculator{
    background: #3a4452;
    padding:20px;
    border-radius:1px;
    border-radius:30px;
}
.calculator form input {
    border:0;
    outline: 0;
    width:60px;
    height: 60px;
    border-radius: 19px;
    box-shadow: -8px -8px 15px rgba(236, 0, 130, 0.5),5px 5px 15px rgba(255,0,255,0.2);
    background:transparent;
    font-size:20px;
    color: #f8ff00;
    cursor:pointer;
    margin:10px;

}
form .display{
    display: flex;
    justify-content: flex-end;
    margin:20px 0;
}
form .display input{
    text-align:right;
    flex:1;
    font-size: 45px;
    box-shadow: none;
}
form input.equal{
    width:145px;
}
form input.operator{
    color:#33ffde;
}