body{background-color: #f5deb3;
     min-height: 98vh;
    }

.zentai{background-image: url("ahiru-09-13.png")
			  transpent: 0.7;
       }
	
nav{text-align: center;
    font-size: 2ex;
    line-height: 3em;
   }
		 
nav ul{margin: 0 ;
       padding: 0 ;
      }

nav ul li{list-style: none;
	  display: inline-block;
	  width: 18%;
	  min-width: 90px;
	 }
		 
nav ul li a{text-decoration: none;
	    color: #8b4513;
	   }
		 
nav ul li.current a{color: #F33135;
		   }

nav ul li a:hover{color: #ff8c00;
		 }