*{background-color: azure;
    box-sizing: border-box;}

nav{
    background-color:lightpink;
    color: azure;
    text-align: center;
    padding: 10px;
    
}
nav a{
    background-color: lightpink;
    color: azure;
    display: inline-block;
    padding 10px;
     font-size: 100%;  
}
header{
   padding: 0px 30px;
    margin: 0px 30px;
}
h4{
    font-size: 180%;
    padding-bottom: 10px;
    color: palevioletred;
    margin: 10px;
}

main{
    background-color: antiquewhite;
}

main aside img{
    display: inline;
    width: 50%;
    padding: 10px;
    float: left;
  
}