@viewport {
width: device-width;
zoom: 1;
}
html {
background: rgb(0,0,0);
color: rgb(160,160,160);
font-family: sans;
}

.tabs {
position: relative;
}
.tab {
float: left;
}
.tab input {
display: none;
}
.tab label {
background: linear-gradient(rgba(64,64,64,1), rgba(64,64,64,0));
border-color: rgb(128,128,128);
border-radius: .5em;
border-style: solid;
border-width: 1px 1px 0 1px;
color: rgb(128,128,0);
cursor: pointer;
font-weight: bold;
padding: .5em 1em;
text-decoration: underline;
}
.tab_content {
display: none;
left: 0;
position: absolute;
}
input:checked ~ label {
background: linear-gradient(rgba(128,128,128,1), rgba(128,128,128,0));
}
input:checked ~ label ~ .tab_content {
display: block;
}

a {
color: rgb(0,192,192);
}
a:hover {
color: rgb(192,0,0);
}
a:visited {
color: rgb(0,160,160);
}

table {
empty-cells: hide;
}
th,td {
border-radius: .2em;
}
th {
background: rgb(64,64,64);
color: rgb(128,128,0);
}
td {
background: rgb(48,48,48);
border: 1px solid;
border-color: rgb(192,192,192);
text-align: center;
}