body {
  font-family:sans-serif;
  font-size: medium;
  text-align:justify;
  color: black;
  background-color: white;
}

#first {
  border-style: dashed;
}
#second {
  border-style: dotted;
}

#third {
  border-style: double;
}

#fourth {
  border-style: groove;
}

#fifth {
  border-style: solid;
}

#sixth {
  border-style: ridge;
}

#seventh {
  border-style: inset;
}

#eighth {
  border-style: outset;
}

#ninth {
  border-style: solid;
  border-color: red;
}

#tenth {
  border-style: solid;
  border-color: green;
}

#eleventh {
  border-style: solid;
  border-color: blue;
}

#twelfth {
  border-style: solid;
  border-width: 2px;
  background-color: lightyellow;
  padding: 0
}

#thirteenth {
  border-style: solid;
  border-width: 2px;
  background-color: lightyellow;
}

#fourteenth {
  border-style: solid;
  border-width: 2px;
  background-color: lightyellow;
  padding: 1em;
}

#fifteenth {
  border-style: double;
  margin-bottom: 1em;
}

#sixteenth {
  border-style: double;
  margin-top: 0;
  margin-bottom: 0;
}

#seventeenth {
  border-style: double;
  margin-top: 1em;
  margin-bottom: 1em;
}

#eighteenth {
  border-style: double;
  margin-top: 2em;
  margin-bottom: 2em;
}

#ninteenth {
  border-style: double;
  margin-top: 1em;
}

#twentieth {
  border-style: dotted;
  border-width: thick;
  border-color: aqua
}

#twentyfirst {
  border-style: double;
  background-color: crimson;
  color: aliceblue;
}

#twentysecond {
 border-style: inset;
 margin: 2em;
}

#twentythird {
 border-style: groove;
 border-color: blueviolet;
}

#twentyfourth {
 border-bottom-width: thick;
 border-style: dashed;
 border-color: aqua;
 background-color: deeppink
}