index.css

:root {
  --blue: rgba(69, 90, 236, 1);
  --blue100: rgba(69, 90, 236, 0.1);
  --blue300: rgba(69, 90, 236, 0.3);
  --black: rgba(0, 0, 0, 1);
  --black100: rgba(0, 0, 0, 0.1);
  --black200: rgba(0, 0, 0, 0.2);
  --black700: rgba(0, 0, 0, 0.7);
  --white: rgba(255, 255, 255, 1);
  --red: rgba(255, 0, 0, 1);
}
#root {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 100vh;
}
html {
  background-color: var(--blue);
}
body {
  background-color: var(--white);
}
.ChallengesListItem:hover {
  background-color: var(--blue100);
  cursor: pointer;
}
.homeContainer {
  width: 850px;
  padding: 40px;
  border: 1px solid var(--black100);
  margin: 0px auto;
  border-top: none;
  border-bottom: none;
}
.heading {
  color: var(--black700);
  font-weight: 400;
}
.title {
  font-size: 18px;
  color: var(--black);
  font-weight: 300;
}
.title.overflowHidden {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.description {
  color: var(--black700);
  font-size: 14px;
}
.description.overflowHidden {
  -webkit-line-clamp: 2;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.addedByLabel {
  color: var(--blue);
  font-size: 12px;
}

.likes-box .label {
  color: var(--blue);
  font-size: 12px;
}
.likes-box .label::after {
  content: '\2661';
  font-size: 25px;
}
.likes-box .label.liked::after {
  content: '\2665';
  font-size: 25px;
  color: var(--red);
}
.likes-box .likes {
  color: var(--black700);
  margin-left: 10px;
  font-size: 12px;
}
/* LoginForm */
.LoginForm {
  margin-left: 100px;
  width: 350px;
}
.hLoginLabel {
  font-size: 14px;
  color: var(--black700);
  font-weight: 500;
}
/* Header */
.Header {
  height: 70px;
}
.appName {
  font-size: 24px;
  margin-left: 10px;
  color: var(--white);
}
.sortbyLabels {
  font-size: 12px;
  color: var(--black700);
}
.sortbyLabels span {
  margin-right: 10px;
}
.sortbyItem span:hover {
  cursor: pointer;
  text-decoration: underline;
}
.navbar {
  background-color: var(--blue);
  color: rgb(255 255 255);
  height: 70px;
}
.hModal {
  width: 500px;
}
.hModal::backdrop {
  background-color: rgba(0, 0, 0, 0.4);
}
.nav-item {
  cursor: pointer;
}
.nav-link {
  color: var(--black700);
}
.nav-link.active {
  color: var(--blue) !important;
}
.hTag {
  display: inline-block;
  font-size: 12px;
  color: var(--black700);
  border: 1px solid rgb(190 190 217);
  border-radius: 10px;
  margin-right: 10px;
  padding: 5px 10px;
  user-select: none;
}
.hTag:hover {
  cursor: pointer;
}
.hTag.active {
  background-color: var(--blue300);
  color: var(--blue);
  border: 1px solid rgb(190 190 217);
}
.hTag.small {
  padding: 5px;
  font-size: 10px;
  background: var(--blue300);
  border: none;
  color: var(--blue);
  border-radius: 5px;
}

.logout {
  text-align: end;
  font-size: 12px;
  color: var(--white);
}
.hsort,
.logoutLink {
  cursor: pointer;
}

.NoChallengesBanner p {
  font-size: 13px;
  color: var(--black700);
  margin: 10px 0 0;
}

@media screen and (max-width: 800px) {
  .homeContainer {
    width: 95%;
    border: none;
  }
}

@media screen and (max-width: 1000px) {
  .LoginForm {
    margin: auto;
  }
  .login img {
    display: none;
  }
}