*, html {
    margin: 0;
    padding: 0;
}
.container {
    position: relative;
    max-width: 1140px;
    margin: 0 auto;
    padding: 50px;
}
.calc__wrapper {
    width: 280px;
    height: 180px;
    padding: 20px;
    margin: 0 auto;
    border: 2px solid grey;
    background-color: ivory;
    box-shadow: 12px 12px 2px 1px rgba(93, 93, 95, 0.2);
    border-radius: 25px;
    text-align: center;
  
}
h3 {
    margin-bottom: 20px;
}

input {
    width: 60px;
    margin-left: 10px;
    padding: 2px;
}

.calc__item {
    padding: 10px;
    text-align: left;
} 

.outer {
    margin-top: 5px;
    margin-bottom: 10px;
    font-size: 24px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: rgb(19, 16, 207);
}

.btn {
    margin: 0 auto;
    padding: 5px;
    border-radius: 10px;
    background-color:linen;
    color: rgb(92, 44, 44);
    box-shadow: 3px 3px 2px 1px rgba(95, 93, 94, 0.2);
    align-self: end;
}