body{margin:0px; padding:0px; font-family: Arial, Helvetica, sans-serif;font-size:15px;
}
div{box-sizing:border-box; margin:0px; border:0px; padding:0px;
}
p{line-height:1.5;
}
input,select{font-size:1em;
}
.b1{position:absolute;bottom:1px;width:100%;
}
.flxArnd{display:flex;justify-content:space-around;
}
.flxBtwn{display:flex;justify-content:space-between;
}
.fntW600{font-weight:600;
}
.txtR{text-align:right;
}
.mxW600{width:98%; max-width:600px; margin:auto;
}
.txtC{text-align:center;
}
.txtL{position:absolute;top:40%;width:100%;font-size:28px; text-shadow:2px 2px 2px grey;text-align:center;
}
.txtS{font-size:12px;
}
.w100{width:100%;
}
.dv3x3{
position:relative; height:310px; width:310px; margin:auto;
}
.dv3x3bx{position:absolute; width:33.33%; height:33.33%; border:1px solid;
}

@media screen and (min-width:600px){
body{font-size:18px;}
.dv3x3{height:600px; width:600px;}
.txtS{font-size:20px;}
.txtL{font-size:48px;}
}

.bor1{border:solid 1px black;}
.w98{
width:98%;
}
.marA{
margin:auto;
}