body {
    display: flex;
    justify-content: space-around;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 50%;
}

.left {
    background-image: url(resources/images/album.png);
    background-color: rgba(255,255,255,0.4);
    background-blend-mode: lighten;
}

.right {
    background-image: url(resources/images/pricing.png);
    background-color: rgba(255, 255, 255, 0.4);
    background-blend-mode: lighten;
}

.btn {
    opacity: 1;
    width: 250px;
    height: 75px;
    background-color: black;
    color: white;
    border-radius: 15px;
    box-shadow: 0px 3px lightgray;
    border: 2px white solid;
    font-weight: bold;   
    font-size: 20px;
    cursor: pointer;
}

.btn:hover {
    background-color: darkslategray;
}

.btn:active {
    background: slategray;
    -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
       -moz-box-shadow: inset 0px 0px 5px #c1c1c1;
            box-shadow: inset 0px 0px 5px #c1c1c1;
     outline: none;
  }