.cs-icon
{display: inline-block;background-position: center;background-size: contain;background-repeat: no-repeat;}
.cs-icon.icon-28x28
{width: 28px;height: 28px;}
.cs-icon.icon-32x32
{width: 32px;height: 32px;}
.cs-icon.icon-512x512
{width: 512px;height: 512px;}

.cs-icon.icon-construction-worker.icon-28x28
{background-image: url('../img/icon-construction-worker.28x28.png');}
.cs-icon.icon-construction-worker.icon-32x32
{background-image: url('../img/icon-construction-worker.32x32.png');}
.cs-icon.icon-construction-worker.icon-512x512
{background-image: url('../img/icon-construction-worker.512x512.png');}