style.css

html {
  font-family: sans-serif;
  font-size: 16px;
}

body {
  background-color: seagreen;
  display: flex;
  flex-flow: column nowrap;
  margin: 0;
  min-height: 100vh;
  padding: 0;
}

#root {
  align-content: space-evenly;
  display: flex;
  flex-flow: row wrap;
  flex: 1;
  justify-content: center;
  padding: 0 20px;
}

.center {
  justify-content: center;
}

.cardWrapper {
  transition: opacity 0.3s;
  opacity: 1;
  width: calc(100vw / 8);
}

.hideCard {
  transition: opacity 0.3s;
  opacity: 0.05;
}

.cardWrapper img {
  max-width: 100%;
  height: auto;
}

.searchContainer {
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  padding: 12px 0;
}

.searchContainer > input {
  padding: 7px 5px;
  width: 15%;
  border: none;
  box-shadow: 0 1px 4px 0 rgb(0 0 0 / 37%);
}

.footer {
  padding: 0.5rem;
  text-align: right;
  width: 100%;
}

.footer img {
  height: auto;
  width: 24px;
}

@media screen and (max-device-width: 400px) {
  .searchContainer > input {
    padding: 7px 5px;
    width: 45%;
  }

  .cardWrapper {
    width: calc(100vw / 4);
  }
}