.navbar {
  overflow: hidden;
  background-color: #1ca8dd; 
  border-bottom: 5px solid #1ca8dd;
  display: flex;
  justify-content: space-around;
}

.navbar a {
  float: left;
  color: white;
  text-align: center;
  padding: 12px 0px;
  text-decoration: none;
  font-size: 3vw;
}

.subnav {
  float: left;
  overflow: hidden;
}

.subnav .subnavbtn {
  font-size: 3vw;
  border: none;
  outline: none;
  color: white;
  padding: 12px 0px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
  border-bottom: 5px solid #1ca8dd;
}

.navbar a:hover, .subnav:hover .subnavbtn {
  border-bottom: 5px solid red;
}

.subnav-content {
  display: none;
  position: absolute;
  left: 0;
  background-color: #1ca8dd;
  border-top: 2px solid white;
  border-radius: 0 0 2vw 2vw;
  width: 80%;
  margin-left: 10%;
  z-index: 1;
  padding: 0 2vw 0 2vw;
}

.subnav-content a {
  float: left;
  color: white;
  text-decoration: none;
  border-bottom: 5px solid #1ca8dd;
  font-size: 2vw;
}

.subnav-content a:hover {
  background-color: #1ca8dd;
  color: white;
}

.subnav:hover .subnav-content {
  display: flex;
  justify-content: space-around;
}

.subnavbtn::after {
  content: ' \25BF';
}