style* { margin: 0 auto; font-family: tahoma; }

body { margin: 0 auto;
}

p {
    font-size: 13px;
    background-color: white;
    margin: 0px 0px 0px 0px;
    padding: 10px;
}

header {
	height: 40px;
	background-color: lightgrey;
	border-bottom: 1px solid #494949;
	display: flex;
	align-items: center;
	justify-content: center;
}
header > h1 {
	width: calc(100% - 160px);
	text-align: center;
	font-size: 18px;
	color: black;
}
header > .top {
	position: absolute;
	left: 20px;
}
header > .top a.menu_icon i {
	color: #000;
	font-size: 30px;
	padding-top: 5px;
	transition: .2s ease;
}
header > .top a.menu_icon:hover i {
	color: #fff;
}
nav.menu {
	width: 170px;
	min-height: calc(100vh - 121px);
	background-color: lightgray;
	position: absolute;
	left: -170px;
	transition: .3s all;
}
nav.menu > a {
    font-size: 15px;
    display: block;
    padding: 5px;
    margin: 15px 0 0px 20px;
    color: black;
    
}
main {
	width: 100%;
	padding: 30px;
	box-sizing: border-box;
}
footer {
	height: 50px;
	background-color: #fff;
	color: #fff;
	display: flex;
	align-items: right;
	justify-content: right;
	bottom: 0;
	position: fixed;
	width: 100%;
}

.menu_show {
	left: 0!important;
}

@media screen and (max-width: 425px) {
	header h1 {
		font-size: 16px;
	}

}
@media screen and (max-width: 360px) {
	nav.menu {
		width: 100%;
		left: -100%; 
	}
}

    a {text-decoration: none; }

.responsive {
  width: 20%;
   max-width: 200px;
  height: auto;
}

.vasen {
  background-color:#ffffff;
  padding:20px;
  float:left;
  width:8%; /* The width is 20%, by default */
}


.paa {
  background-color:#ffffff;
  padding:10px;
  float:left;
  width:82%; /* The width is 60%, by default */
}

img.a {
  vertical-align: middle;
}