img {
max-width: 100%;
height: auto;
}<input type="checkbox" value="1440" class="chAccess" data-value="" id="check1">
<label for="check1"></label>#check1{
position: absolute;
margin-left: -9999px;
visibility: hidden;
}
label{
/* Твои стили */
}ul>li:nth-child(2)>a>div:hover{
...
}.dialog {
position: fixed;
display: -webkit-flex;
display: flex;
-webkit-align-items: center;
align-items: center;
-webkit-justify-content: center;
justify-content: center;
pointer-events: none;
z-index: 100;
}