.reference_container {
    display: grid;
    width: 80%;
    height: auto;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 3vw);
    grid-gap: 0.5rem; 
    margin: 0 auto;    
  }
  
  .sidebar {
    /*grid-area: sidebar;*/
    grid-column-start: 1;
    grid-column-end: 2;
    grid-row-start: 1;
    grid-row-end: 5;
  }
  
  .content-1 {
    /*grid-area: content-1;*/
    grid-column-start: 2;
    grid-column-end: 5;
    grid-row-start: 1;
    grid-row-end: 4;
  }
  
  .content-2 {
    /*grid-area: content-2;*/
    grid-column-start: 2;
    grid-column-end: 5;
    grid-row-start: 4;
    grid-row-end: 5;
  }

.item {
    background-color:none;
    color: #ffffff;
    font-size: 18px;
}

.item img{
    height: 185px;
    width: 185px;
    object-fit: fill;
    display: block;
    border-radius: 5px;
    background-color: rgb(142, 152, 185);
}
  
.sidebar {
    background-color: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
  
.content-1, .content-2{
    background-color: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference_align{
    margin: 20px auto;
    display: flex;
    align-content: center;
    justify-content: center;
}

.Slides{
    display: none;
}

.numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
}

.dot {
    cursor: pointer;
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color .6s ease
}

.active,
.dot:hover {
    background-color: #222222
}

@media (max-width: 767px){
    .reference_container {
        display: block;
    }
    .Slides{
        height: 450px;
    }
    .item{
        margin: 5px 0;
    }
}