client.css

* {
  /* *** normilize *** */
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  color: #e1e1e1;
  outline: none;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: #414141;
}

button {
  width: 200px;
  height: 50px;
  margin: 5px;
  margin-top: 50px;
  padding: 10px;
  border: 2px solid grey;
  background-color: transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  border: 1px solid #dedede;
  color: white;
}

#cur-container {
  margin: 10px 0px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

#cur-name-container {
  margin: 10px 0px;
  cursor: pointer;
}

#cur-name-container:hover * {
  color: white;
}

#cur-name {
  color: darkgrey;
}

#cur-name-arrow {
  font-size: 14px;
  color: rgb(110, 110, 110);
}

#cur-val {
  font-size: 40px;
  font-weight: 400;
}

#cur-unit,
sup {
  font-style: italic;
  color: darkgrey;
}

#select {
  display: none;
  top: 50px;
  color: white;
  text-align: left;
  font-size: 16px;
  padding: 20px;
}

#select > div {
  display: flex;
  justify-content: center;
  align-content: center;
  flex-direction: column;
  margin: 5px;
  padding: 5px 10px;
  border: 1px solid grey;
  border-radius: 6px;
  cursor: pointer;
  height: 50px;
  width: 200px;
}

#select > div:hover {
  border: 1px solid white;
}

#chart {
  width: 70%;
  height: 250px;
}

@media only screen and (max-width: 600px) {
  #chart {
    width: 100%;
  }
}

h1 {
  font-size: 16px;
  margin: 10px;
  font-weight: 200;
}

ul {
  width: 315px;
}

ul li {
  font-size: 14px;
  color: rgb(190, 190, 190);
  margin-left: 20px;
}