.attachments {
    width: 100%;
}

 .attachments .list-container table tr
{
     height: 20px;
}
 
.attachments .list-container label
{
     line-height: 0 !important;
}

 .is-image {
        max-height: 100px;
        max-width: 130px;
        text-align: center;
        display: inline-block;
        vertical-align: middle; /* vertical alignment of the inline element */    
    }