*
{
    box-sizing: border-box;
	padding: 0;

}
#a1
{
    background-color:#A7A7A7 !important;
}

#a2
{
    text-align: left !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2em;
    color: #000;
    margin-left: 0px;
    padding-left: 0px;
    float: left;
}
h1
{
    text-align: center;
    color: black;
    font-family: cursive;
}
#a3
{
    background-color: #2F4F4F;
    border: black;
    color: black;
    float: right !important;

}

.st
{
    text-align: center;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 2em;
}
.container {
	border: none;
	margin-left: auto;
	margin-right: auto;
	margin-top: 10px;
	margin-bottom: 10px;
	padding: 15px;
}

section {
	border: 3px solid black;
	width: 100%;
	height: 1000px;
	background-color: #c0c0c0;
	overflow: auto;
	margin-top: 1px;
    margin-bottom: 20px;
    padding: 15px;
	
}
b
{
text-align: center !important;
}
p{
    font-size: 25px;
}
#nav-list a{
    text-align: center;
    background-color:#778899;
    color: black;
    
}
#nav-list a:hover
{
    background: #2F4F4F;
}
.navbar-header button.navbar-toggle collapsed
{
    clear: both;
    margin-top: -30px;
}
nav
{
    margin: 0px;
    padding: 0px;
    margin-bottom: ;

}