*{
    margin:auto;
    
}
.calculator {
    max-width: 530px;
    background-color: beige;
    padding: 20px;
    border-radius: 10px;
    margin: 10px auto;
    }
    input[type=text] {
    width: 315px;
        height: 25px;
        border-radius: 5px;
        border: 0px;
        background-color: #333333;
        color: #d9d9d9;
        padding: 0 5px 0 5px;
        margin: 0 0px 10px 84px;
    
    }
    .calc-buttons {
        display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    
    }
    .button {
       margin: 3px;
    width: 63px;
    border: none;
    height: 25px;
    border-radius: 4px;
    color: #000000;
    cursor: pointer;
    }
    button:hover {
      background-color: hsla(180, 100%, 40%, 0.3);
      transition: .2s;
    }
    .functions-one {
        width: 210px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-evenly;
    }
    
    .functions-two {
    width: 280px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .triggers {
        background-color: #ffc266;
    }
    .numbers {
        background-color: #999999;
    }
    .basic-stuff {
        background-color: #80d4ff;
    }
    
    .complex-stuff {
        background-color: #80ffff;
    }