style.css

* {
    box-sizing: border-box;
}
body{
    padding: 0;
    margin: 0;
    font-family: sans-serif;
    color: #555;
}
a{
    color: blue; 
    text-decoration: none;
    cursor: pointer;
}
img{
    padding: 2px;
    border-radius: 2px;
    border:1px solid #ccc;
}
.container{
    margin: 0px auto;
    min-height: 100vh;
    height: auto;
    width: 80%;
    border-left:1px solid #ccc;
    border-right:1px solid #ccc;
    padding: 10px;
    box-shadow: 0px 0px 15px #ccc;
}
.container h1{
    font-size: 20px; 
    color: #4193f0;
    text-align:center; 
}
.frm{
    font-family: arial;
    margin: 70px auto;
    display: block;
    width: 60%;
}
.frm label{
    width: 20%;
    display: inline-block;
    text-align: right;
}
.result{
    width: 80%;
    font-family: arial;
    line-height: 30px;
    color: #666;
    padding: 5px 10px;
    border:1px solid #ccc;
    border-collapse: collapse;
    margin: 10px auto;
}
.result th, .result td {
    border-color:#ccc;
}
.result th {
    font-weight: bold;
    text-align:left;
}
ul, ol{
    list-style-type: none;
}
.profile{
    float: left;
    display: block;
    width: 60%;
    height:150px;
}
.profile img{
    float: left;
    margin-right:10px; 
}
.navigation{
    float: right;
    display: block;
    width: 40%;
    height:150px;
}
.navigation ul li{
    display: inline-block;
    width: 100px;
    padding: 5px 10px;
}
.navigation ul li a.active{
 font-weight: bold;
}