html, body, #root, #app{
    height: 100%;
}
body{
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background-color:white;
    color:gray;
}
#app{
    display: flex;
}
.nav{
    background-color: #33373d;
    width:100px;
    flex-shrink: 0;
}
.nav-button{
    display: block;
    text-decoration: none;
    text-align: center;
    color: white;
    opacity: .5;
    background-repeat: no-repeat;
    background-position: center 10px;
    background-size: 32px;
    height: 80px;
    line-height: 7;
    border-left: 3px solid transparent;
}
.nav-button:hover{
    opacity: 1;
}
.profile-image{
    background-repeat: no-repeat;
    background-size: 100%;
    background-image: url('images/small_profile.jpg');
    height: 100px;
    width: 100px;
}
.home-button{
    background-image: url('images/home.png');
}
.home-button:hover{
    background-color: green;
    border-color: #00d200;
}
.aboutme-button{
    background-image: url('images/aboutme.png');
}
.aboutme-button:hover{
    background-color: purple; 
    border-color: magenta; 
}
.resume-button{
    background-image: url('images/resume.png');
}
.resume-button:hover{
    background-color: #a30000;
    border-color: red;
}
.repo-button, .repo-image{
    background-image: url('images/github.png');
}
.repo-button:hover{
    background-color: black;
    border-color: lightgray;
}
.repo-image{
	background-color: black;
}
.contact-button, .contact-image{
    background-image: url('images/linkedin.png')
}
.contact-button:hover{
    background-color: #0077b5;
    border-color: #00a8ff;
}
.contact-image{
    background-color: #0077b5;
}
.link-item {
	display: flex;
	align-items: center;
	text-decoration: none;
	color: inherit;
}
.link-image {
	width: 50px; /* make it square */
	height: 50px;
	border-radius: 5px; /* optional rounded corners */
	margin-right: 10px;
    background-size:32px;
    background-repeat:no-repeat;
    background-position:center;
}
.link{
	color:gray;
	font-weight:bold;
    text-decoration:underline;
}
.link:hover{
	color:black;
}
.content{
    flex-grow: 1;
    padding: 10px;
    overflow: auto;
}
.content-header{
    display: none;
}
.content-header .profile-image{
    margin: auto;
    border: 5px solid white;
    border-radius: 5px;
    box-shadow: 0px 2px 5px #bbbbbb;
}
.route-render-area{
    padding: 20px 20px 0 20px;
}
.aboutme{
    max-width: 500px;
}
.aboutme .title{
    font-weight: bold;
}
.resume {
    max-width: 500px;
}
.resume .company{
    font-weight: bold;
}
@media (max-width: 991px) {  
    #app{
        flex-direction: column;
        overflow: hidden;
    }
    .nav{
        display: flex;
        width: 100%;
        order:1;
    }
    .nav-button{
        flex-grow: 1;
        height: 50px;
    }
    .nav .profile-image{
        display: none;
    }
    .content .content-header{
        display: block;
    }
    .content .route-render-area{
        height: 100%;
    }
}