.OpenDir {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 600;
    justify-content: center;
    border-bottom:0px solid #000;

    background-color: rgba(255, 255, 255, 0.75); /* Semi-transparent white */
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    display: none;
}
 
.OpenDir-Body {
    margin-top:100px;
    width: 800px;
    height: 500px;
    display: flex;
    justify-content: center;
    border:2px solid #000;
    background-color: #fff;
    border-radius: 5px;
    flex-direction: column;
}

.OpenDir-Body .Header {
    width: 100%;
    height: 50px;
    display: flex;
    background-color: #000;
    color: #fff;
    font-size: 16px;
    justify-content: space-between;
    align-items: center; 
}

.OpenDir-Body .Header .st {
    width: 100px;
}

.OpenDir-Body .Header .title {
    width: 400px;
    text-align: center;
}

.OpenDir-Body .Header .title img{
    vertical-align: middle;
}

.OpenDir-Body .Header .close {
    width: 30px;
    margin : 0 20px 0 50px;
    cursor: pointer;
    text-align: center;
}

.OpenDir-Body .Body {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    background-color: #fff;
    color: #000;
}