*{
    margin: 0;
    padding: 0;
}
/*----------  фон выбрать -----------*/
body{
    /* background-color: #EFE8DE; */
    background-color: #c1c2c4;
}
.wrapper {
    width: 100%;
    padding: 20px;
}
/*-------------Можно удалить фон одинаковый-----------*/
.back {
    margin: 60px auto;
    padding: 20px;
    height: 600px;
    width: 600px;
    border-radius: 50%;
    background-color: #EEB767;
    box-shadow: 0px 0px 50px -10px rgba(117, 96, 15, 1);
    display: flex;
    align-content: stretch;
    justify-content: space-between;
    align-items: center;
}
/* .back-while {
    margin: 60px auto;
    padding: 20px;
    height: 600px;
    width: 600px;
    border-radius: 50%;
    background-color: #EEB767;
    /* opacity: 0.7; */
    /* box-shadow: 0px 0px 50px -10px rgba(117, 96, 15, 1);
    display: flex;
    align-content: stretch;
    justify-content: space-between;
    align-items: center;
} */

.calculator-black {
    font-family: 'Poppins', sans-serif;
    width: 350px;
    height: 660px;
    background: linear-gradient(191.34deg, #17181A -4.95%, #17181A 103.74%);
    border-radius: 39px;
    box-shadow: 3px 3px 4px grey;
    padding: 10px;
}

.calculator-white {
    font-family: 'Poppins', sans-serif;
    width: 350px;
    height: 660px;
    background: linear-gradient(167.27deg, #F7F8FB -5.94%, rgba(247, 248, 251, 0.19) 103.62%);
    border-radius: 39px;
    box-shadow: 3px 3px 4px grey;
    padding: 10px;
}

.on-of-while {
    margin: 20px;
    width: 15px;
    height: 15px;
    border-radius: 50px;
    background-color: #249b16;
}

.on-of-while:hover {
    transition: background-color 1.7s linear;
    background-color: #FF9500;
}

.output{
    width: 90%;
    height: 155px;
    margin: auto;
    color: #eaa23d;
    font-size: 45px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: center;
    align-content: center;
}

.previous-number {
    height: 40px;
    width: 100%;
    font-size: 33px;
}
.sign {
    height: 20px;
    width: 100%;
    font-size: 33px;
}
.result {
    height: 70px;
    width: 100%;
    padding-top: 10px;
}

.choice{
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-content: space-around;
    flex-direction: column;
    align-items: center;
}

/* .black-num {
одинаково
} */
.white-num{
    display: flex;
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 500;
    font-size: 25px;
    /* color: white; */
}

.circle-black {
    width: 70px;
    height: 70px;
    display: flex;
    border-radius: 50%;
    background: #505050;
    /* background: linear-gradient(129.7deg, rgba(255, 255, 255, 0.078) -9.69%, rgba(255, 255, 255, 0.4) 114.23%); */
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    align-items: center;
    justify-content: center;
    color: white;
    margin: 8px;
}

.clear,
.mines,
.percent{
    background: #b1b1b0;
    color: #17181A;
}

.circle-while{
    width: 65px;
    height: 65px;
    display: flex;
    border-radius: 50%;
    background: linear-gradient(129.7deg, rgba(255, 255, 255, 0.6) -9.69%, rgba(255, 255, 255, 0.4) 114.23%);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    align-items: center;
    justify-content: center;
    color: rgb(229, 203, 137);
    margin: 10px;
}
.zero {
    width: 144px;
    height: 65px;
    border-radius: 30px;
    margin-right: 16px;
}
.add,
.equals,
.subtract,
.multiply,
.divide{
    background: linear-gradient(203.57deg, #FF9500 -8.99%, #ffa72c 111.42%);
    color: #EFE8DE;
}

.by {
font-family: Arial, Helvetica, sans-serif;
font-style: italic;
font-size: 20px;
color: #EFE8DE;
text-shadow: 3px 7px 7px rgba(10, 10, 10, 0.25);
}


.circle-while:hover {
    background-color: rgb(229, 203, 137);;
    background-image: linear-gradient(315deg, rgb(229, 203, 137) 0%, #eaa23d 74%);
    color: #F7F8FB;
}

.circle-black:hover {
    /* background-color: rgb(183, 179, 168); */
    background-image: linear-gradient(315deg, rgb(210, 209, 204) 0%, #d7bf9f 74%);
    /* color: #F7F8FB; */
}