*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    width: 100%;
    height: 40rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #0a0a0a, #3a4452);
}

.calculator{
    border: 1px solid #713377;
    padding: 20px;
    border-radius: 16px;
    background-color: transparent;
    box-shadow: 0px 3px 15px rgba(113, 115, 119, 1);
}

input{
    width: 320px;
    border: none;
    padding: 20px;
    margin: 10px;
    background-color: transparent;
    box-shadow: 0px 3px 15px rgba(84, 84, 84, .1);
    font-size: 40px;
    text-align: right;
    cursor: pointer;

}

input::placeholder{
    color: #ffffff;
}

button{
    border: none;
    width: 60px;
    height: 60px;
    margin: 10px;
    font-size: 20px;
    border-radius: 50%;
    background-color: transparent;
    color: #ffffff;
    box-shadow: -8px -8px 15px rgba(255, 255, 255, .3);
    cursor: pointer;
}

.equalbtn{
    background-color: rgba(251 135 72 / 76%);
}

.operator{
    color: rgb(198, 241, 133);
}