.aop-nav {
    color: #FFD89B;
}

.aop-main-section{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    overflow-x: hidden;
    /* overflow: auto; */
}

.wrapper {
    position: relative;
    display: grid;
    grid-template-columns: 34vw 34vw;
    width: 70%;
    transition: width 1s, height 1s;
}

.aop-main-section img{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
}

.aop-main-section .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background:rgba(41, 40, 40, 0.83);;
    font-size: 32px;
    line-height: 64px;
    justify-content:center;
    align-items:center;
    opacity: 0;
    display: flex;
    cursor: pointer;
    transition: opacity 0.25s;
}


.aop-main-section .mask:hover{
    opacity: 1;
}
.mask.active {
    opacity: 1;
}

.contents .active{
    display: flex;
}

.wrapper .container {
    margin-top: 8px;
    width: 33vw;
    height: 35vw;
    max-height: 35vh;
    position: relative;
    z-index: 3;
}

.wrapper.side {
    width: 25%;
    height: 90%;
    position: absolute;
    left: 0;
    display: flex;
    flex-direction: column;
    overflow: auto;
    transition: width 1s, height 1s, reverse;
}

.wrapper.side .container {
    width: 247px;
    height: 150.7px;
}

.wrapper.side::-webkit-scrollbar {
    display: none;
  }

.wrapper.side .mask {
    font-size: 1em;
}


.aop-main-section .contents {
    height: 90%;
    width: 70%;
    position: absolute;
    top: 5%;
    left: 25%;
    background-image: url(pexels-irina-iriser-671618.png);
    background-size: cover;
    min-width: 800px;
    display: none;
}

.aop-main-section .contents.active {
    display: flex;
}

.content {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background:rgb(86, 108, 115,0.2);
    display: none;
    flex-direction: column;
}

.title{
    text-align: center;
    font-size: 1.5em;
    font-weight: 600;
    padding: 1rem;
    color: #DAC9A6;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
    margin: 10px auto;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 50% 50%;
    text-shadow: 0px 2px 2px rgba(0, 0, 0, 0.1);
    background: rgba(211, 211, 192, 0.336);
    height: 73%;
    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25));
    overflow: scroll;
}

.content-wrapper::-webkit-scrollbar {
    display: none;
  }

.content-wrapper.visa {
    grid-template-columns: 42% 47%;
}

.content-wrapper.study, .content-wrapper.other {
    font-size: 1em;
    grid-template-columns: 30%, 30%;
    margin-top:10% ;
    height: 40%;
}

.content-wrapper.study ul, .content-wrapper.other ul{
    margin-top: 20%;
}

.col ul {
    list-style: none;
}

.col .dot-ul {
    list-style: disc;
}

.col.left {
    margin-left: 15%;
}

.col.visa-col li{
    padding: 3px;
}
.col.visa-col li, .col.study-col li{
    padding: 2px;
}

.col .subtitle{
    margin-bottom: 5px;
    margin-top: 10px;
    font-weight: 600;
}

.col a {
    color: #fff;
    text-decoration: none;
    margin: 5px;
}

.col ol {
    color: #fff;
}

.col a:hover {
    color: #dbc39b;
}


.cover {
    width: 100%;
    height: 100%;
    position: absolute;
    background: #566C73;
    z-index: 2;
    background-image: url(texture.png);
}


.content .active {
    display: flex;
}

.back {
    position: absolute;
    top: 46%;
    left: 5%;
    font-weight: bolder;
    font-size: 4em;
    font-family: monospace;
    cursor: pointer;
    z-index: 1;
    display: none;
}

.back.active {
    display: flex;
}

.back.active:hover {
    color: #dbc39b;
}

@media screen and (max-width: 1080px) {
    .wrapper.side {
        width: 90%;
        height: 30%;
        top: 5%;
        left: 5%;
        flex-direction: row;
    }

    .wrapper.side .container {
        width: 20vw;
        height: 15vw;
    }

    .wrapper.side .mask {
        font-size: .8em;
    }

    .wrapper .mask {
        font-size: 1.3em;
    }
    .aop-main-section .contents  {
        width: 90%;
        top: 40%;
        left: 5%;
        margin-bottom: 5%;
        min-width: 300px;
    }

    .back {
        transform: rotate(270deg);
        top: -12%;
        left: 50%;
    }
    .col.left {
        margin-left: 0%;
    }
}

@media screen and (max-width: 800px) {

    .wrapper {
        /* height: 70%; */
        display: flex;
        flex-direction: column;
    }

    .wrapper .container {
        height: 150px;
        width: 260px;
    }

    .wrapper .mask {
        font-size: 1em;
    }

    .aop-main-section .contents  {
        top: 35%;
    }

    .content-wrapper {
        display: flex;
        flex-direction: column;
    }
}

@media screen and (max-width: 700px) {

    .aop-main-section .contents  {
        top: 33%;
    }
}

@media screen and (max-width: 600px) {

    .aop-main-section .contents  {
        top: 30%;
    }

    .back {
        top: -10%;
    }
}

@media screen and (max-width: 500px) {

    .aop-main-section .contents  {
        top: 27%;
    }

    .wrapper.side .mask {
        font-size: .6em;
    }

    .back {
        top: -10%;
    }
}