.calculator {
background-color: #ffffff;
padding: 20px;
...
.container {
width: 100%;
max-width: 1000px;
...
.container {
max-width: 1000px;
margin: 0 auto;
...
.container {
max-width: 1000px;
margin: 0 auto;
...
.container {
width: 100%;
margin: 0px auto;
...
.container {
max-width: 1000px;
margin: 0px auto;
...
.container {
background-color: white;
box-shadow: 0 4px 8px rgba(0,...
.container {
max-width: 1000px;
margin: 0 auto;
...
.container {
max-width: 1000px;
margin: auto;
...
.container {
max-width: 1000px;
margin: 30px auto;
padding: 20px;
background-color: white;
...