.Bt1_style {
    background: #fafafa;
    border:1px solid #E3E3E3;
    border-radius: 1rem;
    text-align: center;
    margin-bottom: 2rem;
    .c_content_style {
    padding:2rem;
    }
    .c_title_black {
        background:#fff;
        padding: 1rem 2rem;
        display: inline-flex;
        position:relative;
        top:-1px;
        border-radius:0 0 2rem 2rem;
        border:1px solid #E3E3E3;
        border-top:none;
        z-index: 108;
        
        
        
        
        &:before,
		&:after {
			content: "";
			position: absolute;
			background-color: transparent;
			top: 0;
			height: 40px;
			width: 20px;
			-webkit-transition: box-shadow 0.3s;
			transition: box-shadow 0.3s;
			-moz-transition: box-shadow 0.3s;
			-ms-transition: box-shadow 0.3s;
			-o-transition: box-shadow 0.3s;
			box-shadow: 0 -20px 0 0 #fff;
		}
		&:before {
			right: -20px;
			border-top-left-radius: 20px;
			border: 1px solid #E3E3E3;
			border-bottom: 0;
			border-left: 0;
			border-right: 0;
			
		}
		&:after {
			left: -20px;
			border-top-right-radius: 20px;
			border: 1px solid #E3E3E3;
			border-bottom: 0;
			border-left: 0;
			border-right: 0;
		}

    }
}