hw_javascript/03/styles.css

body {
  background-color: #230b36;
  font-family: "Lucida Sans Unicode", "Lucida Grande", Sans-Serif;
  display: flex;
  justify-content: center;
}

.personInfo,
.smartphoneInfo,
.laptopInfo {
  font-size: 16px;
  width: 640px;
  text-align: left;
  border-collapse: collapse;
  background: #252f48;
  margin: 10px;
}
.personInfo,
.smartphoneInfo,
.laptopInfo,
th {
  color: #edb749;
  border-bottom: 1px solid #37b5a5;
  padding: 12px 17px;
}
.personInfo,
.smartphoneInfo,
.laptopInfo,
td {
  color: #cad4d6;
  border-bottom: 1px solid #37b5a5;
  border-right: 1px solid #37b5a5;
  padding: 7px 17px;
}
.personInfo,
.smartphoneInfo,
.laptopInfo,
tr:last-child td {
  border-bottom: none;
}
.personInfo,
.smartphoneInfo,
.laptopInfo,
td:last-child {
  border-right: none;
}
.personInfo,
.smartphoneInfo,
.laptopInfo,
tr:hover td {
  text-decoration: underline;
}