.session-img{
    display: flex;
    width: 996px;
    flex-wrap: wrap;
    margin: 0 auto;
    position: relative;
}
.session-img-modal{
    position: relative;
    padding: 0px 250px;
}
.detail-img{
    margin: 6px;
    width: 237px;
    height: 237px;
}
.style-img{
    width: 237px;
    height: 237px;
    object-fit: cover;
}
.style-img:hover{
    cursor: pointer;
}
.style-img-modal{
    height: 830px;
    width: 830px;
}
.detail-img-modal{
    display: none;
}
.demo {
    opacity: 0.6;
}
.active,
.demo:hover {
    opacity: 1;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
}
.close {
    color: #525252;
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 50px;
    font-weight: lighter;
    cursor: pointer;
}
.close:hover,
.close:focus {
    color: #999;
    text-decoration: none;
    cursor: pointer;
}
.prev{
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: #525252;
    font-weight: lighter;
    font-size: 20px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    -webkit-user-select: none;
    left: 50px;
}
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: #525252;
  font-weight: lighter;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
  right: 50px;
  border-radius: 3px 0 0 3px;
}
.modal-title-project{
    width: 410px ;
}
.main-title{
    font-style: italic;
    color: #363636;
    letter-spacing: 0.02em;
    font-size: 18px;
    font-family: Raleway, sans-serif;
    font-weight: 600px;
}
.detail-title{
    font-size: 20px;
    color: #363636;
    letter-spacing: 0.02em;
    margin-top: 28px;
    font-family: Raleway, sans-serif;
    line-height: 26px;
}
.flex-session{
    display: flex;
    justify-content: space-between;
}

@media only screen and (min-width: 1025px) and (max-width: 1800px){
    .modal-title-project{
        margin-left: 40px;
    }
    .style-img-modal{
        width: 650px;
        height: 650px;
    }
}

/* tablet responsive */
@media only screen and (min-width: 768px) and (max-width: 1024px){
    .session-img{
        width: 444px;
    }
    .detail-img{
        width: 210px ;
        height: 210px;
    }
    .style-img{
        width: 210px ;
        height: 210px;
    }
    .style-img-modal{
        width: 400px !important;
        height: 400px;
    }
    .modal-title-project{
        width: 390px;
        margin-left: 20px;
    }
    .session-img-modal{
        padding: 0px 120px;
    }
}

/* mobile responsive */
@media only screen and (min-width: 360px) and (max-width: 767px){
    .session-img{
        width: 344px;
    }
    .detail-img{
        width: 168px ;
        height: 168px ;
        margin: 2px;
    }
    .style-img{
        width: 168px ;
        height: 168px ;
    }
    .style-img-modal{
        width: 245px;
        height: 245px;
    }
    .flex-session{
        display: unset;
    }
    .modal-title-project{
        width: 245px;
        margin: 0 auto;
    }
    .main-title{
        margin-top: 8px;
    }
    .detail-title{
        font-size: 14px;
        margin-top: 8px;
    }
    .session-img-modal{
        padding: 0px 60px;
    }
    .prev{
        left: 0px;
        font-size: 16px;
    }
    .next{
        right: 0px;
        font-size: 16px;
    }
    .center-modal{
        display: flex;
        justify-content: center;
    }
}