.ss-tiled-gridfield tbody {
	display: block;
	overflow: hidden;
}
.ss-tiled-gridfield tr.sortable-header {
	display: none;
}
.ss-tiled-gridfield tbody.ss-gridfield-items tr {
	display: block;
	float: left;
	position: relative;
	min-width: 60px;
	min-height: 60px;
}

.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact {
	position: absolute;
	top: 0;
    right: 0;
	padding: 0;
	margin: 0;
    width: auto;
    display: none;
	border: none;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact a {
    display: none;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact button {
    margin: 0;
    padding: 2px 0 0;
    height: 20px;
}
.ss-tiled-gridfield tbody.ss-gridfield-items tr:hover td.grid-field__col-compact {
    display: block;
}

.ss-tiled-gridfield tbody {
	display: block;
	overflow: hidden;
}
.ss-tiled-gridfield tr.sortable-header {
	display: none;
}
.ss-tiled-gridfield tbody.ss-gridfield-items tr {
	display: block;
	float: left;
	position: relative;
	min-width: 60px;
	min-height: 60px;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td {
    border-top: none!important;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact .grid-field__icon-action:hover {
    background: transparent;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact {
	position: absolute;
	top: 2px;
    right: 2px;
	padding: 0;
	margin: 0;
    width: auto;
    opacity: 0;
	border: none;
    transition: opacity 1s;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact a {
    display: none;
}
.ss-tiled-gridfield tbody.ss-gridfield-items td.grid-field__col-compact button {
    margin: 0;
    padding: 2px 0 0;
    height: 20px;
}
.ss-tiled-gridfield tbody.ss-gridfield-items tr:hover td.grid-field__col-compact {
    opacity: 0.5;
}
.ss-tiled-gridfield tbody.ss-gridfield-items tr:hover td.grid-field__col-compact:hover {
    opacity: 1;
}

Fix padding & add hover effect
Fix padding & add hover effect
