header {
    text-align: center;
    height:100px;
    color: blue;
    background-color: red;
    border:1px solid blue;
    padding:15px;
}
body {
    background-color: rgba(245, 245, 220, 0.781);
    text-align: center;
    color:blue;
}
footer {
    background-color: red;
    align-content: center;
    align-items: center;
    align-self: center;
    text-align: center;
    color:blue;
    height:50px ;
    border:1px solid blue;
    padding:5px;
}
img{
    float: left;
}
links:hover{
    border:1px solid blue;  
}
iframe{
    border:1px solid blue
}