a{
    text-decoration: none;
}
.image-maindiv{
    position: relative;
    background-image: url(/image/background-image-info.jpeg);
    height: auto;
    min-height: 100%;
    background-repeat: repeat;
}
.container{
    min-height: 0;
}
.flex{
    width: 50%;
    display: flex;
    flex-direction : column;
    align-items: center;
}
.flex-item{
    text-align: left;
    width: 100%;
}
.flex-item-image{
    width: 65%;
    object-fit: cover;
    border: 2px solid var(--sub-color);
}
.sub-title{
    font-size: 24px;
}
.sub-msg{
    font-size: 12px;
    color: rgb(137 137 137);
}
.link{
    color: var(--blue);
}
.back-div{
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    width: 98%;
    max-width: 970px;
    margin: auto;
    padding-top: 15px;
}
.btn-back{
    text-align: center;
    cursor: pointer;
    font-size: 12px;
    width: 130px;
    padding: 8px;
    color: var(--sub-color);
    background-color: var(--main-color);
    border: 1px solid var(--border);
    border-radius: 5px;
}
.btn-back:hover{
    opacity: 0.4;
}
@media screen and (max-width: 1024px){
    .btn-back{
        font-size: 18px;
        padding: 15px 35px;
        margin-left: 10px;
    }
    .container{
        width: 98%;
    }
    .flex{
        width: 100%;
    }
}