styles.css

html,
body {
  width: 100%;
  height: 100%;
  font-size: 16px;
}

.container {
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.row {
  width: 100%;
}

body {
  overflow-x: hidden;
  padding: 0;
  margin: 0;
  min-height: 354px;
  text-align: center;
  color: white;
  background: rgb(86, 149, 191);
  font-family: "Overpass", sans-serif;
}

/* Content */

#banner,
#mini-container {
  padding-bottom: 30px;
}

.content {
  z-index: 1;
  flex-grow: 1;
  width: 25%;
  padding: 0 15px;
}

h1 {
  font-size: 2em;
  font-weight: normal;
  margin-top: 0;
}

p {
  font-size: 1.5em;
  margin: 0;
}

#temp {
  font-size: 2em;
  display: inline-block;
}

#temp-deg {
  font-size: 2.5em;
  display: inline-block;
}

#mini-container .image {
  display: none;
}

button {
  display: inline-block;
  background: none;
  border: 3px solid white;
  border-radius: 5px;
  color: white;
  font-size: 2em;
  transition: ease 0.5s;
}

.night-time {
  background: rgb(28, 39, 51);
  color: white;
}

.inactive:hover {
  background: white;
  color: rgb(86, 149, 191);
  transition: ease 0.5s;
  cursor: pointer;
}

button:focus {
  outline: none;
}

.selected {
  background: white;
  color: rgb(86, 149, 191);
}

.selected.night-time {
  color: rgb(28, 39, 51);
}

/* Image */

div.image {
  flex-grow: 1;
  margin-right: -3%;
}

img {
  transition: ease 0.5s;
  z-index: 0;
  width: 100%;
}

img:hover {
  transition: ease 0.5s;
  transform: scale(1.1);
}

@media screen and (max-width: 768px) {
  html,
  body {
    font-size: 12px;
  }
}

@media screen and (max-width: 425px) {
  #side-image {
    display: none;
  }

  #mini-container {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  #temp-container {
    width: 40%;
  }

  #mini-container .image {
    display: block;
    width: 40%;
  }

  #mini-container .image img {
    width: 75%;
  }
}