form
{
 margin-left: 5em;
}
th.title
{
 font-size: 18px;
}
td.desc
{
 font-size: 10px;
 padding-left: 2em;
}
td.download
{
 text-align: left;
}
td.ico, td.install
{
 text-align: right;
}
input.measure
{
 min-width: 3em !important;
 width: 5em !important;
 text-align: right;
}
.pre
{
 display: inline-block;
 width: 16px;
 height: 16px;
 border: 1px solid #303030;
}
.opt
{
 color: #808080;
}
.req
{
 color: #8080A0;
}
#size1, #size2, #size3,
.size1, .size2, .size3
{
 display: none;
}
.group1, .group2, .group3
{
 margin-top: 1em !important;
 margin-bottom: 1em !important;
}
.group1
{
 opacity: 0.5;
 cursor: default;
}
#size2:target ~ form .group1,
#size3:target ~ form .group1
{
 opacity: 1;
 cursor: pointer;
}
#size1:target ~ form .group1,
#size2:target ~ form .group2,
#size3:target ~ form .group3
{
 opacity: 0.5;
 cursor: default;
}
.size1
{
 display: table-row;
}
#size2:target ~ form .size1,
#size3:target ~ form .size1
{
 display: none;
}
#size1:target ~ form .size1,
#size2:target ~ form .size2,
#size3:target ~ form .size3
{
 display: table-row;
}