*{
    padding:0;
    margin:0;
    box-sizing: border-box;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}
body{
    width:100%;
    height:100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #0a0a0a,#3a4452);
}

.calculator{
    border:1px solid #717377;
    padding: 20px;
    border-radius: 16px;
    background: transparent;
    box-shadow: 0px 3px 15px rgba(113, 115, 119, 0.5);
}
 
input{
    width: 320px;
    border: none;
    padding: 24px;
    margin: 10px;
    background: transparent;
    box-shadow: 0px 3px 15px rgbs(85, 85, 85, 0.1);
    text-align: right;
    font-size: 50px;
    cursor: pointer;
    color:#ffffff
}

input::placeholder{
    color:#ffffff;
}
button{
    border:none;
    width:60px;
    height:60px;
    margin:10px;
    border-radius: 50%;
    background: transparent;
    color:#ffffff;
    font-size:28px;
    box-shadow: -8px -8px 15px rgba(255, 255, 255, 0.1);
    cursor:pointer;
}
.equalbtn{
    background-color: orange;
}
.operator{
    color:aqua;
}