*{
    margin: 0;
    padding: 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,#667e9c);
}
.calcolator{
border: 1px solid #717377;
padding: 20px;
border-radius:16px;
background-color: transparent;
box-shadow: opx 3px 15px rgba(113,112,119,0.5);
padding: 24px;
margin: 10px;
background: transparent;
}
input{
    width: 320px;
    border: none;
    padding: 24px;
    margin: 10px;
    background: transparent;
    box-shadow:0px 3px 15px rgba(84,84,84,0.1) ;
    font: size 40px; 
    text-align: right;
    cursor: pointer;
}
input::placeholder{
color: white;}
button{
    border: none;
    width: 60px;
    height: 60px;
    margin: 10px;
    border-radius: 50%;
    background: transparent;
    color: hsl(0, 0%, 100%);
    font-size: 20px;
    box-shadow: -8px -8px 15px rgba(255, 255,255,0.1);
    cursor: pointer;
}
.equalBtn{
    background-color: #fb7c14;
}
.operator{
    color:greenyellow ;
}