body {
		font-family: 'Open Sans', sans-serif;
		font-size: 30px;
		margin: 0;
		background-color: #0dc0fe;
		width: 1280px;
		max-width: 90%;
		margin: 0 auto;
		}


	header {
		height: 60px;
		-webkit-box-shadow: 0px 5px 15px 5px #000000; 
		background-color: grey;
		margin-top: 20px;
		}     	


	.wrapper {
		background-color:#0dc0fe;
		height: 900px;
		}

	.headline {
		padding-top: 100px;
		color: white;
		}
	
	.header-img {
		width: 30%;  
		margin-left: 20px;
		margin-top: 10px;
		}

	h1 {
		font-size: 30px;
		font-weight: bold;
		}

	h2 {
		font-size: 20px;
		}

	.navigation {
        display: flex;
		justify-content: space-between;	
		align-items: center;
		margin-right: 50px;	
		}

	header a {
		color: white;
		text-decoration: none;
		margin-left: 20px;
		font-size: 25px;
		font-weight:bold;
		margin-top: 4px;
		}


    header a:hover {
    	color: #0dc0fe;
		}

	a  {
		color: white;
		text-decoration: underline;
		margin-left: 20px;
		font-size: 30px;
		font-weight:bold;
		margin-top: 4px;
		}

     a:hover {
    	color: red;
		}

	.mysmarthome-img {
		display: flex; 
		margin-top: 30px;
		width: 90%;
        justify-content: center; 
        align-items: center;
		}

	.tutorialbox {
        margin-left: auto;
		margin-right: auto;
		margin-top: 50px;
		padding-left: 10px;
	    background-color: lightblue;
		width: 90%;
		height: 275px;
		border: 1px solid;
		-webkit-box-shadow: 0px 5px 15px 5px #000000;		
		}

    .index-img {
        margin-left: auto;
		margin-right: auto;
        margin-top: 75px;
        width: 20%; 
        }   

    .tutorial-img {
        display: flex;
        justify-content: right;
        align-items: right;
        float: right;
        }   

    p {
        color: black;
        box-sizing: border-box;
        float: left;
        width: 550px;
        margin-top: 0px;
        margin-right: 50px;
        }

@media (max-width: 1100px) {
      header a {
          font-size: 15px;
          margin-left: 10px;
    }
    
        a {
          margin-left: 10px;
    }
    
    h1 {
		font-size: 20px;
		}
    
	.header-img {
		display: none;
        
    	
        
		}

}