@import url(https://fonts.googleapis.com/css?family=PT+Sans);
 * {
	 box-sizing: border-box;
}
 
 h1 {
	 text-align: center;
	 font-size: 48px;
	 text-transform: uppercase;
	 letter-spacing: 3px;
	 color: #222;
}
 .menu1 {
	 list-style: none;
	 left: 5vw;
	 padding-left: 5vh;
	 min-width: 89w;
	 width: 90%;
	 height: 12em;
	 margin-left: 9.5vh;
	 position: relative;
	 background-color: white;
	 z-index: 7;
}
 .menu1 li {
	 float: left;
	 width: 25%;
	 height: 10px;
	 margin: 0;
	 padding: 0;
}
 .menu1 a {
	 display: flex;
	 width: 100%;
	 height: 100%;
	 justify-content: center;
	 align-items: center;
	 color: gray;
	 text-decoration: none;
	 position: relative;
	 font-size: 18px;
	 z-index: 9;
}
 a.active {
	 background-color: transparent;
	 pointer-events: none;
}
 li.slider {
	 width: 25%;
	 height: 100%;
	 position: absolute;
	 left: 0;
	 top: 0;
	 background-color: #0000000d	;
	 z-index: 8;
	 transition: left .4s, background-color .4s;
}
 .menu1 li:nth-child(1):hover ~ .slider, .menu1 li:nth-child(1):focus ~ .slider, .menu1 li:nth-child(1):active ~ .slider {
	 left: 0;
	 background-color: #0000000d;
}
 .menu1 li:nth-child(2):hover ~ .slider, .menu1 li:nth-child(2):focus ~ .slider, .menu1 li:nth-child(2):active ~ .slider {
	 left: 25%;
	 background-color: #0000000d;
}
 .menu1 li:nth-child(3):hover ~ .slider, .menu1 li:nth-child(3):focus ~ .slider, .menu1 li:nth-child(3):active ~ .slider {
	 left: 50%;
	 background-color: #0000000d;
}
 .menu1 li:nth-child(4):hover ~ .slider, .menu1 li:nth-child(4):focus ~ .slider, .menu1 li:nth-child(4):active ~ .slider {
	 left: 75%;
	 background-color: #0000000d;
}