.main_chord,
.other_chord{
	float: left;
}
.main_chord{
	margin-left: 5%;
	width: 60%;
}
.rs-padding-20-top.r{
	word-wrap: break-word;
}
.other_chord{
	margin-left: 5%;
	width: 25%;
}
.tools_chord{
	position: fixed;
	right: 0px;
	bottom: 50px;
	width: 50px;
	height: auto;
	color: #FFF;
}
.tools_chord > i.fa{
	float: left;
	width: 30px;
	line-height: 30px;
	text-align: center;
	cursor: pointer;
}

@media(max-width: 720px){
	.main_chord{
		margin-left: 0%;
		width: 100%;
	}
	.other_chord{
		margin-left: 0%;
		width: 100%;
	}
}