#ct {
    margin-bottom: 0;
    padding-top: 7rem;
}

.wrapper-ct h2 {
    text-align: center;
    font-size: 5rem;
    padding-bottom: 6rem;
    font-weight: 600;
}

.wrapper-ct {
    width: 100%;
    background-color: #ebebebeb;
    justify-content: center;
    align-items: center;
    padding: 5rem 0 10rem
}

.group-ct {
    justify-content: center;
    align-items: center;
    width: 80%;
    display: flex;
    margin: auto;
}

.group-ct span {
    font-size: 3rem;
    font-weight: 500;
}

.ct1 ul{
    list-style: circle;
    font-size: 1.8rem;
    text-align: left;
    line-height: 4.2rem;
    color: #050a4d;
    margin-left: 2rem;
}

.ct2 ul{
    list-style: disc;
    font-size: 1.4rem;
    text-align: left;
    line-height: 2.7rem;
    color: #050a4d;
    margin-left: 2rem;
    list-style: circle;
}

.ct3 ul{
    list-style: disc;
    font-size: 1.35rem;
    text-align: left;
    line-height: 2.3rem;
    color: #050a4d;
    margin-left: 2rem;
    list-style: circle;
}


.ct1-side.front{
    background: url(../images/Stock/conference\ room.jpg);
    background: -webkit-linear-gradient(to right, hsla(0, 0%, 0%, 0.425), hsla(0, 0%, 0%, 0.795)), url(../images/Stock/conference\ room.jpg);
    background: linear-gradient(to right, hsla(0, 3%, 12%, 0.747), hsla(0, 0%, 19%, 0.795)), url(../images/Stock/conference\ room.jpg);
    background-size: cover;
    background-position: center;
}

.ct2-side.front{
    background: url(../images/Stock/design.jpg);
    background: -webkit-linear-gradient(to right, hsla(0, 0%, 0%, 0.425), hsla(0, 0%, 0%, 0.795)), url(../images/Stock/design.jpg);
    background: linear-gradient(to right, hsla(0, 3%, 12%, 0.747), hsla(0, 0%, 19%, 0.795)), url(../images/Stock/design.jpg);
    background-size: cover;
    background-position: center;
}

.ct3-side.front{
    background: url(../images/Stock/construction2.jpg);
    background: -webkit-linear-gradient(to right, hsla(0, 0%, 0%, 0.425), hsla(0, 0%, 0%, 0.795)), url(../images/Stock/construction2.jpg);
    background: linear-gradient(to right, hsla(0, 3%, 12%, 0.747), hsla(0, 0%, 19%, 0.795)), url(../images/Stock/construction2.jpg);
    background-size: cover;
    background-position: center;
}

.ct1-side.back, .ct2-side.back, .ct3-side.back{
    transform: rotateY(-180deg);
    background-color: #00000020;
}

.ct1:hover .ct1-side.front,  .ct2:hover .ct2-side.front, .ct3:hover .ct3-side.front{
    transform: rotateY(180deg);
}
  
.ct1:hover .ct1-side.back, .ct2:hover .ct2-side.back, .ct3:hover .ct3-side.back {
    transform: rotateY(0deg);
}

.ct1, .ct2, .ct3{
    perspective: 150rem;
    position: relative;
    text-decoration: none;
    margin: 0 1%;
    width: 500px;
    height: 500px;
    text-align: center;
    color: #ebebebeb;
    justify-content: center;
    align-items: center;
    display: flex;
    -webkit-filter: drop-shadow(4px 4px 12px rgba(0, 0, 0, 0.25));
    filter: drop-shadow(4px 4px 12px rgba(0, 0, 0, 0.25));
}

.ct1-side, .ct2-side, .ct3-side{
    width: 500px;
    height: 500px;
    border-radius: 0.5rem;
    transition: all 0.8s ease;
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    padding: 2rem;
    color: #ebebebeb;
    display: flex;
    justify-content: center;
    align-items: center;
}