:root {
  --grey: #303030;
  --lighterGrey: #505050;
  --lightBlue: #458;
  --blue: #236;
}

main {
  display: flex;
  min-height: 83vh;
  flex-direction: column;
  justify-content: space-around;
}

header {
  width: 100%;
  height: 10vh;
  background: linear-gradient(var(--lightBlue), var(--blue));
  color: #ffffffff;
  -webkit-text-stroke: 2px black;
  display: flex;
  align-items: center;
  justify-content: center;
}

header h1 {
  margin-bottom: 0;
}

footer {
  width: 100%;
  min-height: 7vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: absolute;
  bottom: 0;
  background-color: var(--blue);
}

footer h4 {
  color: black;
  width: 100%;
  font-size: 18px;
  display: flex;
  align-content: center;
  justify-content: center;
  margin-bottom: 10px;
}

button {
  color:white;
}

button:hover {
  color:white;
}

body {
  background-color: #0c0c0fff;
  color: white;
}

ul {
  margin-bottom: 10px;
}

/* centering graph */
.center-g{
  height: 34vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top:2%;
}


/* changing x and y graph axis thickness */
.domain{
stroke-width: 3;
}

/* changing font size of graph units */
.tick {
font-size: 14px;
}

.cardContainer{
display: flex;
justify-content: center;
align-items: center;
margin-top: 30px;
}

/* stylizing the current value card*/
div .card {
background:  #475977ff;
padding: 10px;
margin-top: 20px;
display: inline;
border-color: black;
border-style: solid;
border-width: 2px;
}

.releases-amount{
  margin-left: 5px;
}

.curValue{
  margin-right: 5px;
}

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

.links li {
  display: inline-block;
}

.links-card {
  text-align: center;
}

.links-card ul li {
  display: inline;
  padding: 8px;
  background-color: var(--lighterGrey);
  margin: 5px;
  border-radius: 5px;
}

.links-card ul li a {
  text-decoration: none;
  color: black;
  height: 100%;
  font-size: 18px;
  padding: 5px 25px;
}

.links-card ul li:hover {
  background-color: var(--grey);
}

.fa-coins {
  color: gold;
}

.changeGraph {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 25px;
}

.changeGraph button {
  color: cadetblue;
  background-color: var(--grey);
  border-style: ridge;
  border-width: 2px;
  border-color: #606060;
  margin-bottom: 0;
  text-align: center;
}

.changeGraph button:hover {
  background-color: var(--lighterGrey);
}

div.cardContainer div {
  background-color: var(--grey);
  padding: 5px;
  border-radius: 5px;
  border: 2px var(--lighterGrey) dashed;
}

@media only screen and (max-width: 768px) {
  .tick text {
    font-size: xx-small;
  }
}

@media only screen and (max-width: 992px) {
  .tick text {
    font-size: smaller;
  }
}

footer h4 {
  color: cadetblue;
}