* { 
    margin:0;
    padding: 0;
}

body {
    font-family:'Courier New', Arial;
    line-height: 24px;
    background: #7eb3c4;
    color: #555;
    display: block;
    margin:0;
}



#header {
    background-color:#f5f5ee;
    height: 140px;
}

#logo, #menubar, #under_construction {
    margin-left:auto;
    margin-right:auto;
}
#logo {
    width: 80%;
    position: relative;
    height: 100px;
    background:transparent;
}

#logo_text {
    position: absolute;
    top: 10px;
    left: 0;
    border-bottom: 5px solid;
    letter-spacing: -2px;
    color: #3c3f3e;
}

#logo_text h1 {
    font-size: 300%;
    padding: 22px 0 0 0;
    margin: 0 0 0 9px;
}

#menubar {
    width: 80%;
    height: 46px;
}

#menu {
    display: block;
    list-style-type: disc;
    margin-block-start: 1em;
    margin-block-end: 1em;
    unicode-bidi: isolate;
    float: left;
    margin: 0;
}

#menu li {
    float:left;
    padding: 0 0 0 9px;
    margin: 1px 2px 0 0;
    list-style: none;
    line-height: 1.5em;
    display: list-item;
    unicode-bidi: isolate;
    text-align: -webkit-match-parent;
    background: #5A5A5A;
}
#menu .selected {
    margin: 1px 2px 0 0;
    background: #00C6F0 no-repeat 0 0;
    text-decoration: underline;
}
#menu .selected a{
    text-decoration: underline;
}

#menu li a {
    font: 20px arial;
    color: #f5f5ee;
    cursor:pointer;
    height: 20px;
    padding: 6px 35px 5px 28px;
    display: block;
    float: left;
    text-align: center;
    text-decoration:none;
    
}

#menu li a:hover {
    color: red;
}

.main_content {
    display:block;
    margin-left:auto;
    margin-right:auto;
    width:80%;
    text-align:center;
    font-weight:bold;
}

h1 {
    text-align:center;
}

#under_construction {
   
    margin-top:30px;
    display: block;
    border: 5px solid black;
    border-radius:1rem;
    padding: 5px;
    background-color:rgb(226, 226, 192);
    text-align:center;
    font-weight:bold;
}


#pic {
    display:block;
    margin:auto;
}

#aboutme {
    display: block;
    border: 5px solid black;
    padding: 5px;
    border-radius: 1rem;
    background-color:rgb(226, 226, 192);
}

#research {
    display: block;
    border: 5px solid black;
    padding: 5px;
    border-radius: 1rem;
    background-color:rgb(226, 226, 192);
}