test.css

body{
    background-color: #ffffff;
    margin: 0;
}
li{
    list-style-type: none;
}
a{
    text-decoration: none;
}
* {
    box-sizing: border-box;
}
.column {
    float: left;
    padding: 15px;
}
.topmenu{
    list-style: none;
    background: #777777;
    margin: 0;
    padding: 0;
    height: 50px;
    overflow: hidden;
}
.topmenu li{
    float: left;
}
.topmenu li a{
    display:inline-block;
    color: #ffffff;
    padding: 16px;
    text-align: center;
    text-decoration: none;
    
}
.topmenu li a:hover{
    background: #222222;
    overflow: hidden;
}
.topmenu li a.active{
    background:  #4CAF50;
}
.topmenu li a.login{
    padding-bottom: 12px;
   position: absolute;
   right: 0;
   
}
.list{
    width: 25%;
}
.list ul{
    padding-left: 0;
}
.list li a{
    color: #666;
    background: #eeeeee;
    margin-bottom: 4px;
    display: block;
    padding: 8px;
    text-align: center;
}
.list li a:hover{
    background: #222222;
    color: white;
}
.list li a.active{
    background-color: #008CBA;
    color: white;
}
.middlebody::after{
    content: "";
    clear: both;
    display: table;
}
.content{
    width: 75%;
}
.footer{
    background: #666;
    padding: 15px;
    color: white;
}
/* a:link{
    color: #ffffff;
    text-decoration: none;
}
a:visited{
    color: #00ff00;
}
a:hover{
    color: #0000ff;
}

.container{
    width: 80%;
    margin: auto;
   
}
.container p{
    height: 200px;
   
}
.container a{
   color: #0000ff;
   
}
.test1 p{
    background: hsl(60, 50%, 80%); 
    margin: auto;
    width: 100%;  
    display: none;
}
.test1{
    margin: auto;
    width: 80%;
    border:2px solid aquamarine;
    border-top: brown dotted;
    border-bottom: chocolate double;
    border-right: chocolate double;
    padding: 10px 10px 0px 10px;
    background: hsl(60, 50%, 80%); 
}
.row{
    width: 100%;
    background: #96b97d;
    margin: auto;
   
    position: sticky;
    top: 0;
}

.list li{
    display: inline;
    color: white;
    margin: 0 10px;
}
.list ul{
   padding: 10px 10px;
    list-style-type: none;
    
   
}
table,th,td{
    border: 1px solid green;
    border-collapse: collapse;
}
table{
    width: 50%;
    text-align: center;
}
th{
    height: 50px;
    background:#4fad18;
}
tr.alt td{
    background:hsl(98, 65%, 67%);
}
caption{
    caption-side: bottom;
}
.test2{
    background: white;
    width: 70%;
    height: 500px;
    margin: 20px 0px 20px 20px;
   
    padding: 10px 0 10px 0;
    text-align: center;
    
    border-color: #ffffff;
    border-radius: 5px;
    outline: 10px dotted #00ff00;
}
.test2 p{
    background: white;
    width: 70%;
    height: 150px;
    margin: auto;
    color:#555555;
}
.test2 img{
    width: 300px;
    height: 300px;
}

.test3 img{
    width: 100px;
    height: 100px;
    float: left;
}
span{
    font-size: 400%;
    line-height: 80%;
    width: 1.2em;
    float: left;
} */