html {
  font-size: 62.5%;
  font-family: "Poppins", sans-serif;
}
* {
  box-sizing: border-box;
}
:root {
  --gutter: 3rem;
  --primary: #f00;
  --secondary: #07a787;
}
body {
  width: 100%;
  height: 100vh;
  background-color: #c1e8ff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flash__item {
  background-color: white;
  padding: 3rem 1.5rem;
  border-radius: 4px;
  text-align: center;
  margin-left: var(--gutter);
}
.flash__icon {
  width: 5rem;
  height: 5rem;
  border-radius: 5rem;
  background-color: var(--primary);
  color: white;
  font-size: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 2rem;
}
.flash__icon--secondary {
  background-color: var(--secondary);
}
.flash__title {
  font-size: 1.6rem;
  margin-bottom: 3rem;
  line-height: 1.8;
}
.btn {
  cursor: pointer;
  outline: none;
  padding: 1rem 3rem;
  color: white;
  text-align: center;
  font-size: 1.4rem;
  text-transform: uppercase;
  border: 0;
  border-radius: 4px;
}
.btn--primary {
  background-color: var(--primary);
}
.btn--secondary {
  background-color: var(--secondary);
}
.flash__list {
  display: flex;
  padding: 0 var(--gutter);
  margin-left: calc(-1 * var(--gutter));
}