p.test {
  color: red;
}

.flex-container {
  display: flex;
}

.flex-container > div {
  background-color: #f1f1f1;
  margin: 10px;
  padding: 20px;
  font-size: 30px;
}

.custombox {
 border-top: 6px solid #364063;
 padding: 10px; 
 border-radius: 6px;
 display: inline-block;
 box-shadow: rgba(0, 0, 0, 0.2) 0px 1px 3px;
}

.nav > li > a {
    color: #364063;
}