Clarity on Clear
#gallery-1 {
margin: auto;
}
#gallery-1 .gallery-item {
float: left;
margin-top: 10px;
text-align: center;
width: 50%; }
#gallery-1 img {
border: 2px solid #cfcfcf;
}
#gallery-1 .gallery-caption {
margin-left: 0;
}
Lauscha...
What colours glass?
Glass is typically created using silica, soda-ash, lime and in some cases potash. The colour in glass is introduced using metal oxides and chemical compounds
Metals include Iron(II) oxide , chromium, manganese, sulphur, selenium, cadmium sulphide, cobolt, tin oxide, arsenic, copper, copper oxide, industrial...
