.p1 {
width: 300px;
margin: 0 auto 1em;
border-color: #ff0000;
border-style: solid;
text-align: center;
background: #ffffff;
}

.p2 {
width: 300px;
margin: 0 auto 1em;
border-color: #0000ff;
border-style: double;
text-align: center;
background: #ffffff;
}

.p3 {
width: 300px;
margin: 0 auto 1em;
border-color: #008000;
border-style: dashed;
text-align: center;
background: #ffffff;
}

.p4 {
width: 300px;
margin: 0 auto 1em;
border-color: #ffcc00;
border-style: dotted;
text-align: center;
background: #ffffff;
}