@-webkit-keyframes scroll {
    0% {
      -webkit-transform: translateX(0);
              transform: translateX(0);
    }
    100% {
      -webkit-transform: translateX(calc(-250px * 7));
              transform: translateX(calc(-250px * 7));
    }
  }
  
  @keyframes scroll {
    0% {
      -webkit-transform: translateX(0);
              transform: translateX(0);
    }
    100% {
      -webkit-transform: translateX(calc(-250px * 7));
              transform: translateX(calc(-250px * 7));
    }
  }
  .client-slider {
    background: white;
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.125);
    height: 150px;
    margin: auto;
    overflow: hidden;
    position: relative;
  }
  .client-slider::before, .client-slider::after {
    background: -webkit-gradient(linear, left top, right top, from(white), to(rgba(255, 255, 255, 0)));
    background: linear-gradient(to right, white 0%, rgba(255, 255, 255, 0) 100%);
    content: "";
    height: 100px;
    position: absolute;
    width: 200px;
    z-index: 2;
  }
  .client-slider::after {
    right: 0;
    top: 0;
    -webkit-transform: rotateZ(180deg);
            transform: rotateZ(180deg);
  }
  .client-slider::before {
    left: 0;
    top: 0;
  }
  .client-slider .client-slide-track {
    -webkit-animation: scroll 40s linear infinite;
            animation: scroll 40s linear infinite;
    display: -webkit-box;
    display: flex;
    width: calc(250px * 14);
  }
  .client-slider .client-slide {
    height: 100px;
    width: 250px;
  }


  @import url(https://fonts.googleapis.com/css?family=Montserrat:500);

  
  *,
  *::before,
  *::after {
      box-sizing: border-box;
  }
  
  body {
     margin: 0;
     padding: 0;
     
  }
  
  .container {
      max-width: 100rem;
      margin: 0 auto;
      padding: 0 2rem 2rem;
  }
  
  .heading {
      font-family: "Montserrat", Arial, sans-serif;
      font-size: 4rem;
      font-weight: 500;
      line-height: 1.5;
      text-align: center;
      color: #1a1a1a;
  }
  
  .heading span {
      display: block;
  }