*{
    padding: 0;
    margin: 0;
    font-family: sans-serif;
}
#main_screen {
    width:100vw;
    height:85vh;
    background-color: #cccccc;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;

}
/* Navbar container */
.top_bar {
  overflow: hidden;
  transition-duration: 0.4s;

}

/* Links inside the navbar */
.top_bar a {
  float: left;
  font-size: 16px;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* The dropdown container */
.dropdown {
  float: left;
  overflow: hidden;
}

/* Dropdown button */
.dropdown .dropbtn {
  font-size: 16px;
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit; /* Important for vertical align on mobile phones */
  margin: 0; /* Important for vertical align on mobile phones */
}

/* Add a red background color to navbar links on hover */
.top_bar a:hover, .dropdown:hover .dropbtn {
  background-color: rgb(0,162,147);
}

/* Dropdown content (hidden by default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

#logout {
    text-decoration: underline;
    cursor: pointer;
}
#logout:hover{
    color: blue
}
/* Links inside the dropdown */
.dropdown-content a {
  float: none;
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

/* Add a grey background color to dropdown links on hover */
.dropdown-content a:hover {
  background-color: #ddd;
}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}

.button{
  background-color: rgb(0,162,147);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 10px 0;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
  height: 40px;
  width: 80px;
}

.button:hover{background-color:
    rgb(0,100,90);
    height: 42px;
    width: 82px;

}

ul {
    list-style-type:none;
}
li {
    margin-bottom: 10px;
    font-size: 18px;
    text-align: left
}

h1{
    color:teal;
    font-weight:400;
    border-bottom-width: 3px;
    border-bottom-style: solid;
    border-bottom-color: red;
    display:inline-block;
}
p{
    font-size: 20px;
    margin-bottom:80px;

}
h2{
    text-align:left;
    padding-bottom: 20px;
}

#section1{
    margin-top:10px;
    margin-bottom:100px;
    margin-left:20vw;
    margin-right:20vw;
    text-align: center

}

#section1 h2{
    text-align:center

}
.s3b1{
    color:white;
    padding: 15px;
}

#section2{
    background-color: teal;
    padding-top: 50px;
    padding-bottom: 50px;
    padding-left: 5vw;

}
#section3{
    background-color: white;
    padding-top: 50px;
    padding-bottom: 50px;
    padding-left: 5vw;

}
.s3b2{
    color:dimgrey;;
    padding: 15px;
}
#section4{
    background-color: rgba(0,162,147,0.3);
    padding-top: 50px;
    padding-bottom: 50px;
    padding-left: 5vw;

}
.s3b3{
    color:dimgrey;;
    padding: 15px;
}
#section5{
    background-color: teal;
    padding-top: 50px;
    padding-bottom: 50px;
    padding-left: 5vw;

}
.footer{
    padding-left:6vw;
}
.footer a{
    display:block;
    color:rgb(178,178,178);
}
.footer a:link {
  text-decoration: none;
}