@keyframes moveIt {
  from {background-position: top ;}
  to {background-position: bottom;}
}

.header_img {
    display: block;
    max-width: 100%;
    height: auto;
    margin-left: auto;
    margin-right: auto;
}

.main_text {
    text-align: center;
    background-color: brown;
    margin: 0;
    padding-left: 13;
    padding-right: 13;
}

.second_text {
    text-align: center;
    background-color: brown;
    margin: 0;
    margin-left: 0;
    margin-right: 0;
}

.hyperlink {
    text-align: center;
    color: #ffffff;
    background-color: rgba(160, 0, 0);
    margin: 0;
}

body {
    background-image: url('media/wall.png');
    background-repeat: repeat;
    background-position: top left;
    min-height: 200vh;
    margin: 0;

    animation: moveIt 40s linear infinite;
}