* {box-sizing: border-box;}

body { 
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.header {
  overflow: hidden;
  background-color: white;
  padding: 20px 10px;
}

.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 18px; 
  line-height: 25px;
  border-radius: 4px;
}

.header a.logo {
  font-size: 25px;
  font-weight: bold;
}

.header a:hover {
  background-color: grey;
  color: black;
}

.header a.active {
  background-color: #66ff00;
  color: black;
}

.header-right {
  float: right;
}

@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  
  .header-right {
    float: none;
  }
}
.responsive {
  max-width: 100%;
  height: auto;
}

img.small {
  width: 250px;
  height: 400px;
  object-fit: cover;
  border-radius: 4px;
}
img.large {
  width: 425px;
  height: 680px;
  object-fit: cover;
  border-radius: 4px;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #d3d3d3;
  color: black;
  text-align: center;
}

.d{
  text-align: justify;
  text-justify: inter-word;
  width: 100%;
  background-color: white;
  border-radius: 4px;
  color: black;
  padding: 0px;
}

@media screen and (min-width: 768px) {
  .d{
    text-align: justify;
    text-justify: inter-word;
    width: 50%; 
    background-color: white;
    border-radius: 4px;
    color: black;
    padding: 0px;
  }
}


.bottom a{
  text-align: centre;
  text-justify: inter-word;
  font-weight: bold;
  max-width: 100px;
  min-width: 100px;
  background-color: white;
  border-radius: 4px;
  color: black;
  padding: 10px
}
.bottom a:hover {
  background-color: #66ff00;
  color: black;
}

a {
  color: black;
}
a:link {
  text-decoration: none;
}


.responsive-image {
  width: 100%; 
}


@media screen and (min-width: 768px) {
  .responsive-image {
    width: 50%; 
  }
}