:host {
position: absolute;
top: 1px;
right: 4px;
width: 12px;
height: 100%;
cursor: pointer;
background-repeat: no-repeat;
background-position: center;
background-size: auto;
background-image: url('data:image/svg+xml;utf8,');
}
:host(.expand) {
right: 8px;
background-image: url('data:image/svg+xml;utf8,');
}