style.css

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  height: 100%;
  font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
  background-color: black;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0px;
  column-gap: 10vw;
}

input {
  padding: 16px 8px;
  background-color: transparent;
  border: white solid 2px;
  font-size: large;
  color: white;
}

input:focus {
  border: white solid 2px;
  color: black;
  background-color: white;
}

.backgroundImg {
  position: fixed;
  z-index: -1;
  object-fit: cover;
  height: 100vh;
  width: 100vw;
}

button:active {
  background-color: white;
  color: black;
}

button {
  background-color: transparent;
  color: white;
  border: white solid 2px;
  font-size: large;
  padding: 16px;
  transition: all 0.7s;
}

#weatherContainer {
  display: grid;
  background-color: rgba(240, 128, 128, 0.582);
  border: white solid 2px;
  border-radius: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 5rem;
  padding: 2rem;
  text-align: center;
  color: black;
  row-gap: 4px;
}

#weatherInformation {
  display: flex;
  flex-direction: column;
  row-gap: 8px;
}

#weatherInformation>span {
  margin-top: 5px;
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
}