.iotw-section {
    background: url("https://mars.nasa.gov/system/resources/detail_files/22479_PIA23231.jpg") 50% no-repeat;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    height: 75vh;
    text-align: center;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: flex-end;
        -ms-flex-align: flex-end;
            align-items: flex-end;
  }
  
  .iotw-section .iotw-section-text {
    width: 100%;
    text-align: left;
    z-index: 20;
    margin-right:5%;
    margin-left: 5%;
    color: #fefefe;
    width: 70%;
  }

  .iotw-section .iotw-section-text .feature-label{
      margin-bottom:5px;
      text-transform: uppercase;
      font-size: 0.8em;
      font-weight: 600;
  }

  .iotw-section .iotw-section-text .image-label {
      margin-top: 0px;
      font-weight: 200;
      font-size: 2.5rem;
  }

  .iotw-section .iotw-section-text .image-label a, .iotw-section .iotw-section-text .multimedia_link a{
    color: white;
   }
   .iotw-section .iotw-section-text .multimedia_link {
       font-size: 0.7em;
       font-weight: 600;
       position: absolute;
       right:0;
       bottom: 5%;
       width: 18%;
       text-transform: uppercase;
       z-index: 20;
   }
  .iotw-gradient {
    position: absolute;
    width: 100%;
    height: 25%;
    z-index: 10;
    bottom: 0px;
    background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.8) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.8) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#cc000000',GradientType=0 ); /* IE6-9 */

  }
  
  @media only screen and (max-width: 600px)
  {
    .iotw-section {
        background: url("https://mars.nasa.gov/system/resources/detail_files/22479_PIA23231.jpg") 50% no-repeat;
        background-attachment: inherit;
        background-position: center;
        background-size: cover;
    }
    .iotw-section .iotw-section-text .feature-label{
        font-weight: 500;
        font-size: 1em;
    }
    .iotw-section .iotw-section-text {
        width: 100%;
    }
    .iotw-section .iotw-section-text .multimedia_link {
        width: 100%;
        position: relative;
        bottom: inherit;
        margin: -5% 0 10%;
        font-size: 1em;
    }
    .iotw-gradient {
        height:40%;
    }
  }