.overlay {
		    width: 100%;
		    height: 100%;
		    background: rgba(51, 51, 51, 0.78);
		    position: fixed;
		    top: 0;
		    left: 0;
		    display: none;
		}
		.block-popup {
		    position: absolute;
		    background: #fff;
		    width: 37%;
		    height: 135px;
		    top: 50%;
		    left: 50%;
		    transform: translate(-50%, -50%);
		    border-radius: 5px;
		    border: 1px solid #ccc;
		    padding: 10px;
		    box-shadow: 0 12px 20px -10px;
		    text-align: center;
		    z-index: 1;
		    display: none;
		}
		.block-popup span{
		  position: absolute;
		  top: 0;
		  right: 5px;
		  cursor: pointer;
		  font-size: 20px;
		}
		input[type="email"] {
		    border-radius: 5px;
		    border: 1px solid #ccc;
		    padding: 5px;
		}
		input[type="button"] {
		    border: none;
		    padding: 6px;
		    border-radius: 5px;
		    background: #4CAF50;
		    color: #fff;
		}
		@media(max-width: 768px){
			.block-popup{
				width: 80%;
			}
		}