body {
    height: 100vh;
    background: linear-gradient(120deg, #2C5364, #203A43, #0F2027);
    font-family: 'Jua', sans-serif;
}
.hover_wrap {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hover_wrap .effect {
    position: relative;
    width: 400px; height: 300px; margin: 10px;
    perspective: 1000px;
    /*3d효과를 위해서 hover_wrap에다 주면 link css와 충돌이 일어남*/
}
.hover_wrap .effect .front {
    position: absolute; left: 0; top: 0; z-index: 10;
}
.hover_wrap .effect .back {
    position: absolute; left: 0; top: 0;
}
.hover_wrap .effect figcaption {
    position: absolute; bottom: 0; left: 0;
    background: rgba(0,0,0,0.5);;
    width: 100%; padding: 3% 4%;
    box-sizing: border-box;
    color: #fff;
}
.hover_wrap .effect figcaption h3{
    font-size: 24px; padding-bottom: 5px;
}
.hover_wrap .effect figcaption p{
    font-size: 20px;
}
.hover_wrap .effect img{
    width: 100%;
    display: block; /*여백 제거*/
}

/* media query */
@media (max-width: 800px){
    .hover_wrap {flex-direction: column;}
}

/* hover effect 1 */
.hover_wrap .effect.hover7 .front {
    transform: rotatey(0deg);
    transition: transform 1s;
    backface-visibility: hidden;
}
.hover_wrap .effect.hover7:hover .front {
    transform: rotatey(180deg);
}
.hover_wrap .effect.hover7 .back {
    transform: rotatey(-180deg);
    transition: transform 1s;  
}
.hover_wrap .effect.hover7:hover .back {
    transform: rotatey(0deg);
}
/* hover effect 2 */
.hover_wrap .effect.hover8 .front {
    transform: rotatex(0deg);
    transition: transform 1s;
    backface-visibility: hidden;
}
.hover_wrap .effect.hover8:hover .front {
    transform: rotatex(180deg);
}
.hover_wrap .effect.hover8 .back {
    transform: rotatex(-180deg);
    transition: transform 1s;  
}
.hover_wrap .effect.hover8:hover .back {
    transform: rotatex(0deg);
}