.o-container {
  margin: 50px auto;
  max-width: 700px;
}

h1 {
  text-align: center;
}

.c-search {
  display: flex;
  margin: 0 auto;
  width: 50%;
}

.c-search__input {
  display: block;
  flex-grow: 1;
  margin-right: 10px;
}
