style.css

@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap');

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  height: 100vh;
  color: #000;
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.quote-container {
  width: auto;
  max-width: 900px;
  padding: 30px;
  border-radius: 15px;
  background-color: rgba(255, 255, 255, 0.5);
  box-shadow: -10px 10px 10px 10px rgba(0, 0, 0, 0.3);
}

.quote-text {
  font-size: 2rem;
}

.long-quote {
  font-size: 2.75rem;
}

.fa-quote-left {
  font-size: 2.75rem;
}
.fa-quote-right {
  font-size: 2.75rem;
}

.quote-author {
  margin: 1rem;
  font-size: 2.5rem;
  font-weight: 400;
  font-style: italic;
}

.button-container {
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
}

button {
  cursor: pointer;
  font-size: 1.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 10px;
  color: #fff;
  background-color: #23a6d5;
  outline: none;
  padding: 0.5rem 1.8rem 0.5rem 1.8rem;
  box-shadow: 0 0.3rem rgba(121, 121, 121, 0.65);
}

button:hover {
  background-color: rgba(0, 0, 0, 0.8);
  filter: brightness(150%);
}

button:active {
  transform: translate(0, 0.3rem);
  box-shadow: 0 0.1rem rgba(255, 255, 255, 0.65);
}

.twitter-button:hover {
  color: #38a1f3;
}

.fa-twitter {
  font-size: 1.875rem;
}

/* Loader */
.loader {
  border: 16px solid #f3f3f3;
  border-top: 16px solid #333;
  border-radius: 50%;
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Media Query: Tablet or Smaller */
@media screen and (max-width: 1000px) {
  .quote-container {
    margin: auto 10px;
  }

  .quote-text {
    font-size: 2.5rem;
  }
}