body {
  margin: 0;
  padding: 0;
  background-color: #cfcfcf;
  box-sizing: border-box;
  font-size: 13px;
  font-family: "Barlow Semi Condensed", sans-serif;
  font-weight: 500; /* we gonna use two weights: 500 and 600 */
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

#testimonial-grid-container {
  margin: 5% 2%; /* we can set either % or px on the margin measurements */
}

#testimonial-1 {
  background-color: #7541c8;
  position: relative;
  z-index: 0;
}

#testimonial-1 h3,
#testimonial-2 h3,
#testimonial-4 h3 {
  color: #ffffff;
  font-size: 1.2rem;
}

#testimonial-1 p,
#testimonial-2 p,
#testimonial-4 p {
  color: #eee5ff;
  font-size: 1.1rem;
}

#testimonial-2 {
  background-color: #48556a;
}

#testimonial-3,
#testimonial-5 {
  background-color: #ffffff;
  font-size: 1.2rem;
}

#testimonial-3 h3,
#testimonial-5 h3 {
  color: #48556a;
}

#testimonial-3 p,
#testimonial-5 p {
  color: #676d7e;
  font-size: 1.1rem;
}

#testimonial-4 {
  background-color: #19212e;
}

.grid-container {
  margin-bottom: 20px;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 1px 2px 2px 1px rgba(0, 0, 0, 0.2);
}

.header {
  display: flex;
  align-items: center;
  z-index: 3;
  position: relative;
}

.header img {
  border-radius: 50%;
  margin-right: 10px;
}

.header .header-txt > p {
  margin: 0;
}

#quote {
  position: absolute;
  right: 15%;
  top: 0;
  z-index: 1;
}

#testimonial-1 .header img,
#testimonial-2 .header img {
  border: 2px solid #fff;
  opacity: 0.9;
}

#testimonial-4 .header img {
  border: 2px solid #7541c8;
  opacity: 0.9;
}

@media (min-width: 576px) {
  #testimonial-grid-container,
  #main-left,
  #top,
  #bottom {
    display: flex;
  }

  #testimonial-grid-container {
    max-width: 800px;
    margin: 30px auto;
    justify-content: space-between;
    max-width: 1366px;
  }

  #main-left {
    flex-direction: column;
    flex-basis: 70%;
  }

  #testimonial-1,
  #testimonial-4 {
    flex-basis: 65%;
  }

  #testimonial-2,
  #testimonial-3 {
    flex-basis: 35%;
  }

  #testimonial-5 {
    flex-basis: 30%;
  }

  #main-left .grid-container {
    margin-right: 10px;
  }

  #top {
    justify-content: space-between;
  }

  #bottom {
    justify-content: space-between;
  }
}