.tbl01{
 border:  ; 
}

.r1c1{
 border: black 3px solid;
}

.r1c2{
 background: red ; 
border: black 3px solid
}

.r1c3{
 border: black 3px solid;
}

.mar01{
 margin: 10px;
}

.r4c2{
 border: black 2px dashed;
}

.r4c1{
 background-color: #ff0000;
}

.r35c1{
 background-color: #ff0000;
}

.r4c3{
 background-color: #ff0000
}
 
.nav2{
 color: black;
 font-weight: 900
}

a.nav{
 color: black;
 font-weight: 900;
}

a.nav2:hover{
 background: white;
 color: red;
}

a.nav:hover{
 background:white;
 color:red;
}
 
.r2c1{
 color: black;
 font-weight: 900;
}