.cus {
position:fixed;
bottom:30px;
right:20px;
width:60px;
height:325px;
overflow:hidden;
}
.squ {
width:60px;
height:60px;
background:red;
border-radius:5px;
margin-top:5px
}
.as {
position:relative;
top:260px;
z-index:2
}
.th {
height:195px;
transition:all 0.5s;
overflow:hidden;
transform:translateY(200px);
opacity:0;
text-align:center;
line-height:30px;
}
.cus:hover .th {
transform:translateY(0px);
opacity:1
}