/* remove width limit of logo */

.md-header-nav__button.md-logo img, .md-header-nav__button.md-logo svg {
     width: auto; 
}

.md-header__button.md-logo img, .md-header__button.md-logo svg {
    width: auto;
}

.md-nav__title .md-nav__button.md-logo img, .md-nav__title .md-nav__button.md-logo svg {
    width: 100%;
    height: auto;
}


.center_big_picture {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 75%;
  padding:3px;
  border:1px solid #e6e6e6;
  margin-top:3px;
}


.center_medium_picture {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
  padding:3px;
  border:1px solid #e6e6e6;
  margin-top:3px;
}

.center_medium_picture_no_border {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
  padding:3px;
  border:0px solid #e6e6e6;
  margin-top:3px;
}


.center_full_picture {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  padding:3px;
  border:1px solid #e6e6e6;
  margin-top:3px;
}