*, *::before, *::after {
  box-sizing: border-box;
}

.logo-slider {
  background: transparent;
  -webkit-box-shadow: 0 0px 0px 0px rgba(0, 0, 0, 0.125);
  box-shadow: 0 0px 0px 0px rgba(0, 0, 0, 0.125);
  margin: auto;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.logo-slider::before, .logo-slider::after {
  content: "";
  height: 200px;
  position: absolute;
  width: 200px;
  z-index: 2;
}

.logo-slider::after {
  right: 0;
  top: 0;
  -webkit-transform: rotateZ(180deg);
  transform: rotateZ(180deg);
}

.logo-slider::before {
  left: 0;
  top: 0;
}

.logo-slider .logo-slide-track {
  -webkit-animation: logo-scroll 60s linear infinite;
  animation: logo-scroll 60s linear infinite;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: calc(250px * 12);
  animation-duration: 15s;
  animation-iteration-count: infinite;
}

.logo-slider .slide {
  height: auto;
  width: 250px;
  padding: 10px;
}

@keyframes logo-scroll {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(calc(-250px * 7));
    transform: translateX(calc(-250px * 7));
  }
}