/*element selectors*/
html {background-color: peru;
     font-family: Arial, Helvetica, sans-serif
}
a {color: forestgreen;
    text-decoration: none;
}
/*multiple tag selectors*/

/*descendant selectors*/
nav ul {list-style-type: none;
}
nav ul {list-style-type: none;
}
nav ul li a {text-transform: uppercase;
    text-decoration: none;
    color: forestgreen;
    line-height: 1.5;
}
/*classes*/
.float_right {float: right;
    padding: 10px;
}
.float_left {float: left;
    padding: 10px;
}
.center {margin: auto;
  width: 25%;
  padding: 10px;
}
.image_border{border: solid black 2px;
}