style.css

@import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400;1,600;1,700&display=swap');

html {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  background-color: #414141;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill-rule='evenodd'%3E%3Cg id='hexagons' fill='%239C92AC' fill-opacity='0.32' fill-rule='nonzero'%3E%3Cpath d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v12.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  color: #fff;
  font-family: "Source+Sans+Pro", sans-serif;
  font-weight: 600;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.quote-container{
  width: auto;
  max-width: 900px;
  padding: 20px 30px;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 10px 10px rgba(15, 15, 15, 0.5);
}
.quote-text{
  font-size: 2.7rem;
}
.long-quote{
  font-size:2rem;
}
.fa-quote-left{
  font-size: 4rem;
}
.quote-author{
  margin-top: 15px;
  font-size: 2rem;
  font-weight: 200;
  font-style: italic;
}

.button-container{
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
}
button{
  cursor: pointer;
  font-size: 1.2rem;
  height: 2.5rem;
  border: none;
  border-radius: 10px;
  color: #fff;
  background: #333;
  outline: none;
  padding: 0.5rem 1.8rem;
  box-shadow: 0 0.3rem rgba(224, 222, 222, 0.65);
}
button:hover{
  filter: brightness(110%);
}
button:active{
  transform: translate(0, 0.2rem);
  box-shadow: none;
}
.twitter-button:hover{
  color: #36a1f3;
}
.fa-twitter{
  font-size: 1.5rem;
}

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

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

/* media query */
@media(max-width:1000px){
  .quote-container{
    margin: auto 10px;
  }
  .quote-text{
    font-size: 2.5rem;
  }
}