.calculator {
background-color: #ffffff;
...
.container {
width: 100%;
...
.container {
max-width: 1000px;
...
.container {
max-width: 1000px;
...
.container {
width: 100%;
...
.container {
max-width: 1000px;
...
.container {
background-color: white;
...
.container {
max-width: 1000px;
...
.container {
max-width: 1000px;
...
.container {
max-width: 1000px;
margin: 30px auto;
...
