body {
  margin: 0;
  padding: 0;
}

video {
  position: fixed;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -100;
  -webkit-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
}

.img-responsive {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
}

.blocks {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
  transition: all 0.3s;
}

.blocks:hover {
  box-shadow: 0 24px 43px rgba(0, 0, 0, 0.35), 0 20px 17px rgba(0, 0, 0, 0.27);
  -webkit-transform: scale(1.01);
          transform: scale(1.01);
  transition: all 0.3s;
}

.container-inner {
  max-width: 500px;
  margin: 10px;
}

@media (min-width: 320px) {
  .container-inner {
    margin: 30px;
  }
}

@media (min-width: 768px) {
  .container-inner {
    margin: 50px;
  }
}

.container-inner .row {
  margin-bottom: 18px;
}

@media (min-width: 768px) {
  .container-inner .row {
    margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  .row > .col,
  .row > [class*=col-] {
    padding-right: 10px;
    padding-left: 10px;
  }
}