p{
  padding: 20px;
  margin: 20px 10px;
  background-color: #f1f1f1;
}

.p1{
  border-width: 1px 2px 3px 4px;
  border-style: dashed solid dashed solid;
  border-color: #C04 #C04 #C04 #C04; /*Rouge foncé*/
}

.p2{
  border-width: 1px 2px 3px 4px;
  border-style: dashed solid;
  border-color: #C04;
}

.p3{
  border-top: 1px dashed #C04;
  border-right: 2px solid #C04;
  border-bottom: 3px dashed #C04;
  border-left : 4px solid #C04;
}

.p4{
  border-left-width: 5px;
  border-left-style: solid;
  border-left-color: #C04;  
}
.p5{
  border-bottom: 2px solid #C04;
}