#lec .pic {
	box-sizing: border-box;
	width: 100%;
	margin: 30px 0px 60px;
}

#lec .pic img {
	max-width: 100%;
}

#lec .btn_area {
    text-align: center;
	margin: 30px 0 0px 0;
}

#lec a.btn {
    text-align: center;
    color: #fff;
    background-color: #00b96f;
    background-image: none;
    font-weight: bold;
    padding: 10px 0px;
    border-radius: 5px;
    display: inline-block;
    width: 300px;
    cursor: pointer;
}