* {
  font-family: sans;
}

.container {
  background-image: linear-gradient(to top, #4481eb 0%, #04befe 100%);
  background-repeat: no-repeat;
  background-size: cover;

  display: grid;
  padding: 10px;
  height: 100vh;

  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 10px;
}

#photos-box {
  grid-row: 1 / 4;
  grid-col: 1;
}

#currency-box {
  grid-row: 4;
  grid-col: 1;
}

.box {
  display: flex;
  flex-direction: column;
  justify-content: center;

  background-color: white;
  padding: 1em;
  border-radius: 4px;

  box-shadow: rgba(0, 0, 0, 0.4) 0px 30px 90px;
}

.box .currency {
  display: flex;
  flex-direction: column;
}

.currency > * {
  text-align: center;
}

.currency .arrow {
  display: inline-flex;
  align-items: center;
  font-size: 2em;
}

.currency .select-group {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.currency .title {
  font-size: 1.6em;
  margin-bottom: .3em;
  margin-top: 0;
}

.currency input {
  width: 100%;
  padding: .6em 0;
  margin-bottom: .5em;
  margin-top: .5em;
}

.currency .select {
  padding: .6em 0;
  width: 7ch;
}

.currency .result {
  font-weight: 600;
}

.currency .button {
  padding: .6em 0;
  font-size: 1.1em;
}

.box .photos {
  overflow-y: scroll;
  overflow-x: hidden;
}

.photos img {
  width: 50%;
  margin-bottom: 5px;
}