body {
    
    /* Keep the inherited background full size. */
    /*background: url(https://images.unsplash.com/photo-1544306094-e2dcf9479da3) no-repeat;*/
    background: url(https://images.unsplash.com/photo-1542272201-b1ca555f8505?ixlib=rb-1.2.1&auto=format&fit=crop&w=634&q=80) no-repeat;
    background-attachment: fixed; 
    background-size: cover;
    display: grid;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

p{
  font-family: Arial, Helvetica, sans-serif;
}

.column {
  float: left;
  width: 33%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

.container {
    width: 1000px;
    height: 1500px;
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .2);   
    border-radius: 5px;
    position: relative;
    z-index: 1;
    background: inherit;
    overflow: hidden;
    padding-top: 50px;
    padding-right: 30px;
    padding-bottom: 50px;
    padding-left: 80px;
}

.container:before {
    content: "";
    position: absolute;
    background: inherit;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    box-shadow: inset 0 0 2000px rgba(255, 255, 255, .5);
    filter: blur(10px);
    margin: -20px;
}