:root{
    --color-1: #003966;
}
body{
    line-height: 1.5;
    background-color: #f7f7f9;
    font-family:'Myriad Pro', Calibri, Helvetica, Arial, sans-serif;
}

*{
    box-sizing: border-box;
    margin:0;
    padding:0;
}
a{
    text-decoration: none;
}

 /* unvisited link */
a:link {
  color: #1b59ab;
}

/* visited link */
a:visited {
  color: #1b59ab;
}



ul.a{
    list-style-type: circle;
}
.container{
    max-width: 1170px;
    margin: auto;
}
.row{
    display: flex;
    flex-wrap: wrap;
}
.align-items-center{
    align-items: center;
}
.justify-content-between{
    justify-content: space-between;
}
/*header*/
.header{
    border-radius: 0px;
    background-color: var(--color-1);
    padding:12px 10px;
    position: relative;
}
.header .nav{
    padding:0 15px;
}

.nav a.active {
  /* color: #fff;                */
  /*  background-color: #007bff; */
  /*  border-radius: 5px;        */
  /*  font-weight: bold;         */
  text-decoration: underline;
}

.header .nav ul li{
    display: inline-block;
    margin-left: 40px;
}
.header .nav ul li a{
    display: block;
    font-size: 16px;
    padding:0px;
    color: rgba(255,255,255,0.7);
    text-transform: capitalize;
    transition: all 0.5s ease;
}
.header .nav ul li a:hover,
.header .nav ul li{
    color: #ffffff;
}
.header #nav-check{
    position: absolute;
    opacity:0;
    pointer-events: none;
}
.nav-toggler{
    height: 34px;
    width: 44px;
    background-color: #ffffff;
    border-radius: 4px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}
.nav-toggler span{
    display: block;
    height: 2px;
    width: 20px;
    background-color: var(--color-1);
    position: relative;
}
.nav-toggler span::before,
.nav-toggler span::after{
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--color-1);
    left:0;
}
.nav-toggler span::before{
    top: -6px;
}
.nav-toggler span::after{
    top: 6px;
}
@media(max-width: 991px){
    .nav-toggler{
    	display: flex;
    }
    .header .nav{
    	position: absolute;
    	left:0;
    	top:100%;
    	width: 100%;
    	background-color: var(--color-1);
    	border-top: 1px solid rgba(255,255,255,0.2);
    	opacity:0;
    	visibility: hidden;
    }
    .header .nav ul li{
    	display: block;
    	margin:0;
    }
    

    .header #nav-check:checked ~ .nav{
	opacity: 1;
	visibility: visible;
    }
    .header #nav-check:focus ~ .nav-toggler{
    	box-shadow: 0 0 15px #000000;
    }
    .header #nav-check:checked ~ .nav-toggler span{
    	background-color: transparent;
    }
    .header #nav-check:checked ~ .nav-toggler span::before{
    	top:0;
    	transform: rotate(45deg);
    }
    .header #nav-check:checked ~ .nav-toggler span::after{
    	top:0;
    	transform: rotate(-45deg);
    }
}

main {
    color: #444444;
    /* top | left and right | bottom */
    padding: 0 20px 20px 20px;
    max-width: 800px;
    margin: 0px auto;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    min-height: 300px;
    /*border-radius: 20px;*/
}

main img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1px;
    bottom: 0;
    width: 200px;
    /*border-radius: 20px;*/
    margin-left: auto;
    margin-right: auto;
    display: table;
}


#research {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
  }
  
  #research td, #research th {
    border: 1px solid #ddd;
    padding: 8px;
  }
  
  #research tr:nth-child(even){background-color: #f2f2f2;}
  
  #research tr:hover {background-color: #ddd;}
  
  #research th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #04AA6D;
    color: white;
  }