* {
    box-sizing: border-box;
}
body{
    margin: 0px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
main{
    background-color: rgb(238, 232, 238);
    padding: 10px;
}
header h1{
        text-align: center;
        font-size: 30px;
        color: rgba(0, 0, 0, 0.89);      
}
header{
    background-color: powderblue;
    padding: 30px;
}
.img1{
    float: left;
    overflow: auto;
    margin: -20px 0px 2px -25px;
    padding: 0px;
  }
  .img1:hover{
    border: 2px solid blue;
  }
nav{
    background-color: #333;
    overflow: hidden;
}
nav a{
    text-decoration: none;
    color: white;
    padding: 20px;
    text-align: center;
}
footer{
    background-color: black;
    overflow: hidden;
}
footer a{
    text-decoration: none;
    padding: 20px;
    text-align: center;
    float: left;
    color: white;
}
main a{
    font-weight: bold;
}
main a:link{
    color: black;
    text-decoration: none;
}
main a:hover{
    text-decoration: underline;
}
main a:active{
    color: hotpink;
}
div a{
    background-color: peachpuff;
    color: black;
    padding: 5px 10px;
    text-align: center;
    display: inline-block;
    border: 3px solid black;
}