style.css

body {
  margin: 0;
  padding: 3em;
}

.title {
  text-align: center;
  font-size: 4em;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: rgb(55, 46, 117);
}
.description {
  /*margin-left: 2em;*/
  font-size: 1.2em;
  font-family: Arial, Helvetica, sans-serif;
  color: rgb(55, 46, 117);
}
.atm {
  display: flex;
}
.atm-img {
  flex-shrink: 0;
}
.warning {
  display: block;
  align-items:  center;
  text-align: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 150px;
}
.warning-description {
  width: auto;
  font-size: 0.9em;
  font-family: Arial, Helvetica, sans-serif;
  color: rgb(55, 46, 117);
}
.options {
 /* margin-left: 2.5em;*/
}
.opt-btn{
  height: 2em;
  width: 5em;
  font-size: 1.4em;
}
.opt-description {
  /*margin-left: 1.6em;*/
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  color: rgb(55, 46, 117);
  font-size: 1.5em;
}
.opt-number {
  display: block;
  border: 1px solid  rgb(55, 46, 117);
  margin-top: 1em;
  /*margin-left: 3em;*/
  width: 20em;
  height: 2em;
  box-shadow: 1.5px 1.5px 1.5px rgb(49, 43, 90);
}