* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: Arial;
}

/***** fix the aos white space bug*****/
html,
.carousel {
  width: 100%;
  overflow-x: hidden;
}

.hello {
  margin-top: -20px;
  font-weight: 900px;
}

.card {
  padding: 0;
  margin: 0;
}

ul li:hover {
  color: red;
}

/* CSS */
.button-50 {
  appearance: button;
  background-color: #000;
  background-image: none;
  border: 1px solid #000;
  border-radius: 4px;
  box-shadow: #fff 4px 4px 0 0, #000 4px 4px 0 1px;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  font-family: ITCAvantGardeStd-Bk, Arial, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  margin: 0 5px 10px 0;
  overflow: visible;
  padding: 12px 40px;
  text-align: center;
  text-transform: none;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  vertical-align: middle;
  white-space: nowrap;
}

.button-50:focus {
  text-decoration: none;
}

.button-50:hover {
  text-decoration: none;
}

.button-50:active {
  box-shadow: rgba(0, 0, 0, 0.125) 0 3px 5px inset;
  outline: 0;
}

.button-50:not([disabled]):active {
  box-shadow: #fff 2px 2px 0 0, #000 2px 2px 0 1px;
  transform: translate(2px, 2px);
}

.dev {
  margin-top: -20px;
  color: red;
}

.dev:hover {
  -webkit-text-stroke-width: 1px;
  -webkit-text-stroke-color: black;
  color: yellow;
}

@mixin white-gradient {
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
}

$animationSpeed: 40s;

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

// Styling
.slider {
  background: white;
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.125);
  height: 100px;
  margin: auto;
  overflow: hidden;
  position: relative;
  width: 960px;

  &::before,
  &::after {
    @include white-gradient;
    content: "";
    height: 100px;
    position: absolute;
    width: 200px;
    z-index: 2;
  }

  &::after {
    right: 0;
    top: 0;
    transform: rotateZ(180deg);
  }

  &::before {
    left: 0;
    top: 0;
  }

  .slide-track {
    animation: scroll $animationSpeed linear infinite;
    display: flex;
    width: calc(250px * 14);
  }

  .slide {
    height: 100px;
    width: 250px;
  }
}

li {
  font-size: 16px;
}


@media screen and (max-width: 375px) {
  ul, li {
    display: none;
  }
} 


@media screen and (max-width: 767px) and (min-width: 372px) {
  ul, li {
    display: none;
  }
}