.c-user-study-info>* {
    display: none !important;
}

.c-user-study-info>*:first-child {
    display: block !important;
}

.c-user-study-info>*:last-child {
    display: block !important;
}
.c-left-wrap:nth-child(1) .c-left-item{
    display: none;
}
.c-left-wrap:nth-child(1) .c-left-item:first-child{
    display: block;
}

.c-left-wrap:nth-child(2) .expand{
    display: none;
}

.c-left-wrap:nth-child(2) .expand:first-child{
    display: block;
}

.study-center{
    display: none;
}
.c-left-nav-item.qa{
    display: none;
}