*{
    margin: 0px;
    padding: 0px;
}
.con{
    width: 100%;
    height:100vh ;
    background:#70a09a ;
    display: flex;
    align-items: center;
    justify-content:center;

}
.hea{
    padding-top: 60px;
    height: 89px;
}
@media only screen and (max-width: 420px) {
    .hea{
        padding-top: 60px;
        font-size: 45px;
        
    }
  }
.display{
    color: antiquewhite;
}
.heading{
    width: 100%;
    height:5vh ;
    background:#70a09a ;
    display: flex;
    align-items: center;
    justify-content:center;
    font-size: 40px;
    border-top-right-radius: 10px;
    border-top-left-radius: 10px;
    color: #242a3f;
    font-family:Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}
.calc{
    background:#242a3f ;
    padding: 20px;
    border-radius: 10px;
   
}
.calc form input{
    border: 0;
    outline: 0;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    box-shadow: -8px -8px 15px rgba(255,255,255,0.1),5px 5px 15px rgba(0,0,0,0.2);
    background: transparent;
    font-size: 20px;
    color: lavender;
    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;
}