html,body{
    padding:0px;
    margin:0px;
   overflow:auto;
    font-size:20px;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -o-user-select: none;
}
body{
  
}

/*.d-bg{
    position:fixed;
    width:100%;
    height:100%;
    background:#f8f8fa;
    z-index:1;
}*/

#particles-js {
    overflow: hidden;
    background: #f8f8fa;
    position: fixed;
    width: 100%;
    height: 100%;
    cursor: default;
    
}
#particles-js > canvas{
    cursor: default;
}

.d-main{
    z-index:2;
    position:relative;
    padding:10px;
}

.d-items{
    position:relative;
    text-align:center;
    padding:20px 10px 10px 10px;
}

.d-items .item{
    position:relative;
    width:100%;
    background:white;
    text-align:center;
    padding:40px 20px;
    display:inline-block;
    vertical-align:top;
    color:black;
    text-decoration:none;
    border-radius:10px;
    -webkit-box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.1);
    -moz-box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.1);
    box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.1);
    margin-bottom:30px;
}

.d-items .item.na{
    opacity:.2;
}


.d-items .item > .chapter {
    font-weight: 700;
    color: #2196F3;
    font-size: 24px;
    margin-bottom: 20px;
    text-transform: uppercase;
    text-overflow: ellipsis; 
    overflow: hidden; 
    white-space: nowrap;
}
.d-items .item > .title{
    font-weight: 700;
    font-size: 18px;
    opacity:.8;
    text-transform: uppercase;
    text-overflow: ellipsis; 
    overflow: hidden; 
    white-space: nowrap;

}
.d-items .item > .desc{
    font-size: 16px;    
    opacity:.5;
    text-overflow: ellipsis; 
    overflow: hidden; 
    white-space: nowrap;

}

.d-items .item:not(.na):hover{
    /*background:#2196f3;*/
    transform:scale(1.05);
}

/*.d-items .item:not(.na):hover > .chapter, .d-items .item:not(.na):hover > .title, .d-items .item:not(.na):hover > .desc {*/
/*    color:white;*/
/*}*/




.d-intro{
    position:relative;
    padding:20px 10px;
}

.d-intro > .section:nth-child(1){
    position:relative;
    padding-right:500px;
    min-height:300px;
    padding-top:100px;
}

.d-intro > .section:nth-child(2){
    position:absolute;
    width:500px;
    height:300px;
    right:0px;
    top:0px;
}

.d-intro > .section .desc{
    color: gray;
}

@media only screen and (max-width: 1000px) {
    .d-intro > .section:nth-child(1){
        position:relative;
        padding-right:0px;
        min-height:auto;
        padding-top:10px;
    }
    
    .d-intro > .section:nth-child(2){
        display:none;
    }
}


.into-img{
    max-width:100%;
    max-height:100%;
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
}

.d-footer{
    position:relative;
    padding:20px 10px;
    text-align: center;
    font-size:16px;
    opacity:1;

}


.qrcode {
    height: 125px;
    width: 100%;
}

.d-title {
    font-size: 30px;
    padding: 20px;
    font-weight: 600;
}