body, header, footer{
    padding: 0px;
    margin: 0px;
}.hero{
    background-image: url("images/BG.jpg");
    height: 250px;
    background-repeat: no-repeat;
    background-color: gray;
    background-size: cover;

    text-align: center;
    padding-top: 25px;
    color: aliceblue;
    font-size: 50px;
    
}
.title{
    font-size: 100%;
}
.container{
    display: flex;
    justify-content: center;
    flex-grow: 0;
    flex-wrap: wrap;
}.logo{
    background-image: url("images/krologo.png");
    height: 150px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: rgba(240, 240, 240, 0.90);

    width: 600px;
    border-radius: 50px;
}.desc{
    text-align: center;
    font-size: 150%;
}.row{  
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 0;
    flex-wrap: wrap;
}.col{
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    background-color: gray;
    height: 500px;
    width: 350px;
    float: left;
    margin: 25px;
}.col:hover .overlay, .col:active .overlay {
  width: 350px;
  left: 0px;
}.text {
    color: white;
    font-size: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    white-space: nowrap;
  }.overlay {
    position: absolute;
    background-color: rgba(62, 67, 123, 0.75);
    overflow: hidden;
    left: 100%;
    width: 0px;
    height: 500px;
    transition: .5s ease;
  }.list{
      list-style: none;
  }@media only screen and (max-width: 475px) {
      .col{
        height: 250px;
        width: 175px;
      }.overlay{
        height: 250px;
      }.text{
        font-size: 10px;
      }.col:hover .overlay, .col:active .overlay{
        width: 175px;
        left: 0px;
      }
}