.accpop {
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    left:0;
    background:hsla(0,0%,0%,0.3);
    z-index: 99;
    opacity:0;
    -webkit-transition:.5s ease-in-out;
    -moz-transition:.5s ease-in-out;
    transition:.5s ease-in-out;
    pointer-events:none;
}

.accpop:target {
    opacity:1;
    pointer-events: auto;
}

/* Hier wird das Popup definiert! */
.accpop>.pop {
    position:relative;
    margin:10% auto;
    width:600px;
    max-height:450px;
    box-sizing:border-box;
    padding:10px;
    background: #4C6173;
    border: 3px solid #8596A6;
    text-align:justify;
    overflow:auto;
    z-index:999;
}

.accpop>.closepop {
    position:absolute;
    right:-5px;
    top:-5px;
    width:100%;
    height:100%;
    z-index: 1;
}