* {
    box-sizing: border-box;
}

body {
    margin: 0px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

header h1 {
    text-align: center;
    font-size: 40px;
    color: white;
}

header {
    padding: 40px;
    background-color: rgb(17, 124, 143);
}

nav {
    background-color: #333;
    overflow: hidden;
}

nav a {
    text-decoration: none;
    padding: 20px;
    text-align: center;
    float: left;
    color: white;
}

main {
    background-color: white;
    text-align: center;
}

h2 {
    padding: 20px;
}

section:nth-child(even) {
    background-color: rgb(241, 241, 241);
}

section {
    min-height: 100vh;
}

video {
    padding: 10px;
}

iframe {
    height: 75vh;
}

img {
    padding: 10px;
}

section h5 {
    margin: 40px;
}

footer {
    background-color: #333;
    overflow: hidden;
}

footer a {
    text-decoration: none;
    padding: 20px;
    text-align: center;
    float: left;
    color: white;
}















/* input[type="search"]::placeholder {
  color: #01010e;
}


.sidebar_icon{
	margin-left: 1%;
	position: absolute;
	margin-top: -2.3%;
	font-size: 30px;
	cursor: pointer;
}
.login_menu{
	float: right;
	font-size: 30px;
	margin-right: 2%;
	margin-top: -2%;
	cursor:pointer;
	transform: rotate(90deg);
}





a {
	color: black;
	text-decoration: none;
	margin-left: 10%;
	font-family:'Times New Roman', Times, serif;
}
a:hover{
	text-decoration: underline;
	color: blue;
}


.spanh2{
	margin-left: 7%;
	padding-bottom: 3%;
	padding-top: 3%;
}
/* change here..................................... */
/* #content{
    margin-left: 5%;
}
h3{
	color:rgb(124, 82, 2);
}

.syntax,.command{
    width: 60%;
    height: 10%;
    padding:2% 2% 2% 2%;
    background-color: rgba(228, 228, 250, 0.85);
}
.output{
    width: 50%;
    height: 25%;
} */