.black-background {
  position: absolute;
  height: 100vh;
  top: 100vh;
  width: 100vw;
  background-color: #111111;
  z-index: -2;
}
.student-messages {
    position: relative;
    padding-top: 250px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.container {
    margin: 0 auto;
    width: 130px;
    height: 200px;
    position: relative;
    perspective: 1000px;
}
.carousel {
    height: 100%;
    width: 100%;
    position: absolute;
    transform-style: preserve-3d;
    transition: transform 1s;
}
.item {
    position: absolute;
    width: 130px;
    height: 200px;
    line-height: 1.4rem;
    padding: 5px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0.95;
    border-radius: 10px;
    font-family: serif;
    letter-spacing: 0.05em;
}
  
.a {
    transform: rotateY(0deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.b {
    transform: rotateY(22.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.c {
    transform: rotateY(45deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.d {
    transform: rotateY(67.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.e {
    transform: rotateY(90deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.f {
    transform: rotateY(112.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.g {
    transform: rotateY(135deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.h {
    transform: rotateY(157.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.i {
    transform: rotateY(180deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.j {
    transform: rotateY(202.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.k {
    transform: rotateY(225deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
 }
.l {
    transform: rotateY(247.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.m {
    transform: rotateY(270deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.n {
    transform: rotateY(292.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
.o {
    transform: rotateY(315deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(243, 170, 196, 1) 10%, rgba(255, 204, 238, 1) 33%, rgba(255, 247, 216, 1) 76%, rgba(183, 187, 255, 1) 99%);
    color: #000;
}
.p {
    transform: rotateY(337.5deg) translateZ(350px);
    background-image: linear-gradient(150deg, rgba(0, 0, 0, 1) 38%, rgba(85, 85, 85, 1));
    color: #fce;
}
  
.next, .prev {
    position: absolute;
    top: 48%;
    padding: 1em 2em;
    cursor: pointer;
    background: rgba(255, 204, 238, 0.7);
    border-radius: 5px;
    transition: box-shadow 0.1s, top 0.1s;
    font-family: 'Shrikhand', cursive;
    font-size: 16px;
    font-weight: 300;
    color: #000;
    transition: background 0.5s, color 0.5s;
}
.next:hover, .prev:hover { 
    background: #000;
    color: #fce; 
}
.next:active, .prev:active {
    top: 48.3%;
    box-shadow: 0 0.3px 0 #999;
}
.next { right: 8em; }
.prev { left: 8em; }

.student-messages h1 {
  font-family: serif;
  font-size: 2rem;
  font-weight: 900;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  text-align: center;
  margin-top: 120px;
  letter-spacing: 0.09em;
}

@media (max-width: 600px) {
  .student-messages {
    padding-top: 50%;
  }
  .item {
    font-size: 0.6rem;
    font-weight: 900;
  }
  .next, .prev {
    top: 79%;
    padding: 1em 2em;
    font-size: 12px;
  }
  .next:active, .prev:active {
    top: 79.3%;
    box-shadow: 0 0.3px 0 #999;
  }
  .next { right: 8em; }
  .prev { left: 8em; }

  .student-messages h1 {
    opacity: 0;
  }
}