.container {
    /* border: solid; */
    padding: 80px;
    display: flex;
    justify-content: space-around;
    /* margin: 60px 150px; */
    font-family: 'Arial';
    background-color: rgb(255, 238, 207);
}

.fa{
    position: absolute;
}

.bill {
    width: 40%;
    border: 2px solid;
    background-color: #fff;
    box-shadow: 3px 3px 5px 0px #888;
    padding: 40px 30px;
    height: 100%;
}

.bill .title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

.bill .item {
    font-size: 20px;
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-top: solid;
}

.bill .total {
    color: rgb(248, 170, 172);
    font-size: 20px;
    margin-top: 60px;
    padding:0px 30px;
    display: flex;
    justify-content: flex-end;
}


/* ******************************* */

.calculator {
    width: 450px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.calculator .title {
    font-size: 45px;
    font-weight: bold;
    margin: -10px 30px 30px 10px;
}

.calculator .input-detail {
    width:395px;
    /* height:40px; */
    border: 2px solid;
    border-radius: 8px;
    padding: 0 20px;
    background: #fff;
    margin-bottom: 15px;
    text-align: left;
    box-shadow: 3px 3px 5px 0px #888;
}

.calculator .input-detail .input {
    line-height: 34px;
    border: none;
    font-size: 20px;
    outline: none;
}

.calculator .input-detail .value {
    font-size: 20px;
    float: right;
    line-height: 36px;
    font-weight: bold;
}

.calculator .keyboard {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;

}

.calculator .keyboard>div {
    border: 2px solid;
    background-color: #fff;
    width: 85px;
    text-align: center;
    margin: 5px 10px 10px 0px;
    height: 55px;
    line-height: 47px;
    border-radius: 5px;
    font-size: 26px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    box-shadow: inset -2px -2px 4px 0px #888;
    text-align: center;
}

.zero {
    width: 135px;
}

.ok {
    width: 285px;
}

.key-pressed {
    background-color: rgb(218, 214, 214) !important;
}

input::-webkit-input-placeholder {
    color: rgb(206, 206, 206);
}

@media screen and (max-width: 980px) {
    .container {
        flex-direction: column;
        margin: 10px;
        align-items: center;
    }

    .bill {
        width: 80%;
        border: solid 4px;
    }

    .bill .title {
        font-size: 24px;
        line-height: 0px;
    }

    .bill .total {
        font-size: 20px;
    }

    .bill .item {
        font-size: 20px;
        margin-top: 4px;
    }
    

    /* ****************** */
    .zero {
        width: 205px !important;
    }

    .ok {
        width: 435px !important;

    }

    .calculator .title {
       margin: 30px 30px 30px 10px;
}

/* phone */
@media screen and (max-width: 300px) {
    .container {
        flex-direction: column;
        margin: 40px;
    }

    .bill {
        width: 94%;
        border: solid 8px;
    }

    .bill .title {
        font-size: 2.5rem;
    }

    .bill .total {
        font-size: 2rem;
    }

    .bill .item {
        font-size: 2.5rem;
        margin-top: 20px;
    }

    /* ****************** */
    .calculator {
        width: 960px;
    }

    .calculator .title {
        font-size: 4rem;
        margin: 200px 100px 100px 100px;
    }

    .calculator .input-detail {
        width: 77%;
        border: solid 8px;
        border-radius: 25px;
        padding: 0 40px;
        margin-bottom: 60px;
    }

    .calculator .input-detail .input {
        font-size: 2.5rem;
        line-height: 6rem;
        width: 75%;
    }

    .calculator .input-detail .value {
        line-height: 6rem;
        font-size: 2.5rem;
    }

    .calculator .keyboard {
        justify-content: flex-start;
    }

    .calculator .keyboard>div {
        height: 5rem;
        line-height: 5rem;
        width: 8rem;
        border: solid 8px;
        font-size: 2.5rem;
        border-radius: 25px;
        margin: 10px 42px 26px 0;
    }

    .zero {
        width: 19rem !important;
    }

    .ok {
        width: 85% !important;
        
    }
}}