nav ul {
	margin: 0;
	padding: 0;
	list-style-type: none;
	width: 100%;
	/*	高さ変える場合ここを変更　*/
	height: 40px;
	line-height: 40px;
}
nav ul li {
	float: left;
	width: 150px;
	text-align: center;
	box-sizing: border-box;
	padding: 0;
}

nav li a {
    background-color: rgba(255,90,93,1.00);
    display: block;
}
nav li a:hover {
    background-color: rgba(124,0,2,1.00);
}
.sub {
    position: absolute;
    z-index: 100;
    width: 150px;
    display: none;
}