.bottom-logo{min-height: 150px;}
.bottom-logo img{
  /* filter: grayscale(1);
  -webkit-filter: grayscale(1);
  -moz-filter: grayscale(1);
  -o-filter: grayscale(1);
  -ms-filter: grayscale(1); */
  opacity: 1;
  margin-top: 30%;
  margin-left: auto;
}
.bottom-logo img:hover{
  filter: grayscale(0);
  -webkit-filter: grayscale(0);
  -moz-filter: grayscale(0);
  -o-filter: grayscale(0);
  -ms-filter: grayscale(0);
  opacity: 1;
}

.footer-logos li{
  list-style: none;
  display: inline-block;
  margin: 2% 3.5%;
  Width: 10%;
  }

  .footer-logos li img {
  Width: 100%;

  }