body {
  padding-top: 4rem;
}

.product-holder {
    position: relative;
    display: block;
}

.plus-image {
    left: 25px;
    top: 5px;
    position: absolute;
}

hr.style-one {
    border: 0;
    height: 1px;
    background: #333;
    background-image: linear-gradient(to right, #ccc, #333, #ccc);
}

hr.style-two {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

hr.style-three {
    border: 0;
    border-bottom: 1px dashed #ccc;
    background: #999;
}

#myBtn {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed/sticky position */
    bottom: 20px; /* Place the button at the bottom of the page */
    right: 30px; /* Place the button 30px from the right */
    z-index: 99; /* Make sure it does not overlap */
    border: none; /* Remove borders */
    outline: none; /* Remove outline */
    background-color: red; /* Set a background color */
    color: white; /* Text color */
    cursor: pointer; /* Add a mouse pointer on hover */
    padding: 15px; /* Some padding */
    border-radius: 10px; /* Rounded corners */
}

#myBtn:hover {
    background-color: #555; /* Add a dark-grey background on hover */
}