body {
    background-color: #dcdcdceb;

}

h1 {    
    font-size: 3em;
}

h2 {
    font-style: italic;
}

h3 {
    opacity: 0.7;
}

p{
    font-size: 1.1em;
}

article input, textarea, select {
    width: 90%;
    padding-left: 15px;
    padding-right: 15px;
    margin:  5px;
    margin-left:  5%;
    margin-right:  5%;
    height:  30px;
    border-style: unset;
}
#html{
    height: 400px;
}

#css{
    height: 100px;
}

input[type="submit"] {
    background-color: #bfbfbf;
}

aside {
    position: fixed;
    bottom: 0px;
	right: -300px;
	padding: 7px;
	z-index: 5;
	background: coral;
	opacity: 0.3;
	width: 350px;
}

aside:hover {
	opacity: 0.9;
	right: 0px;
}

nav {
    position: fixed;
    top: 0px;
	right: -50px;
	padding: 7px;
	z-index: 10;
	background: #5085ff;
	opacity: 0.3;
	width:100px;
}

nav:hover {
	opacity: 0.9;
	right: 0px;
}

.alert h4 {
    background-color:  red;
    margin: 0px;
}