Style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.Calculator{
    background-color: aquamarine;
    border: 1px solid black;
    padding: 20px;
    border-radius: 15px;
}
.input{
    width: 320px;
    border: none;
    padding: 25px;
    margin: 15px;
    background: transparent;
    box-shadow: 0px 3px 15px aquamarine;
    font-size: 35px;
    text-align: right;
}
.input::placeholder{
    color: black;
}
button{
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 10px;
    background: transparent;
    box-shadow: 0px 3px 15px rgb(121, 209, 180);
    font-size: 25px;
    cursor: pointer;
}
.equal{
    background-color: orange;
}
.div{
    color: orange;
}
.add{
    color: orange;
}
.sub{
    color: orange;
}
.mult{
    color: orange;
}
.perc{
    color: orange;
}
.AC{
    color: orange;
}
.C{
    color: orange;
}