.button{
	position:relative;
	float: left;
	
	width:40px;
	height: 40px;
	font-family: 'Lato', sans-serif;
	overflow:hidden;
	cursor:pointer;
	margin-right: 20px;
	margin-bottom: 20px;

}

.cover{
	
	position: absolute;
	top: 0px;
	left: 0px;
	-ms-transform: translateX(-100px); /* IE 9 */
    -webkit-transform: translateX(-100px); /* Safari */
    transform: translateX(-100px);
	transition:all 0.2s ease-in-out;
}

.placeholder{
	transition:all 0.2s ease-in-out;
}
.height_fit{
	height: 100%;
	width:auto;
}
.button:hover .cover, #novo:hover .cover{
	transform: translateX(0px);
}
.button:hover .placeholder{
	transform: translateX(150px);
}