style2.css

body{
	background-image: url(backimg.jpg);
 	background-size: 100% 400px;
 	background-repeat: no-repeat;
}

header{
	  position: fixed;
  width: 100%;	
}
.flex-container{
	display:flex;
	font: 15px arial , sans-serif;
	word-spacing: 5px;
}
.flex-container > div{
			width: 100%;
			background-color: rgb(39,33,33);
			color: white;
			margin: 0px;
}
.first{
	background-color: yellow;
	color: white;
	width: 100%;
	height:100px;
	margin: 5px 0px;
	padding: 4px;
}
img{
 height: 100px; width: 100px;
}
 .second{
 	height: 400px;
 	width: 100%;
 	margin: 5px;
 	padding: 4px;
 	background-image: url(backimg.jpg);
 	background-size: 100% 400px;
 	background-repeat: no-repeat;

 }
 .a{
 	background-color: yellow;
 	display: inline-block;
 	margin: 3px;
 }
 .a1{
 	background-color: green;
 	height: 100px;
 	width: 90px;
 	margin: 10px;
 	display: inline-block;
 }
 .b{
 	background-color: pink;
 	display: inline-block;
 	margin: 3px;
 }
 .b1{
 		background-color: green;
 	height: 100px;
 	width: 90px;
 	margin: 10px;
 	display: inline-block;
 }
 table{
    background-color: whitesmoke;
    padding: 4px 2px;
    border-collapse: collapse;
    margin-right: 3px;
    width: 100px;
 }
 #firstrow{
    background-color:aquamarine;
 }
 td{
    border-bottom: 1px solid black;
 }
 th{
    text-align:center;
 }