/* UNIVERSAL */

* {
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
}

html {
  box-sizing: border-box;
}

body {
  background-color: rgb(255, 255, 255);
}

a {
  color: #ff9900;
}

a:hover {
  color: #ff9900;
}

h1.title_01 {
  font-size: 1rem;
  text-align: center;
  color: #bb7000;
}

/* HOMEPAGE */

img.main_logo {
  display: block;
  width: 25vw;
  max-width: 800px;
  min-width: 500px;
  margin: auto;
}

.main_container {
  display: flex;
  height: 100vh;
  flex-direction: column;
  justify-content: center;
}

/* ARCHIVES */
.test {
  color: red;
}

.body_BG {
  background-color: rgb(154, 158, 160);
}

.master_thumbnail_container {
  margin: auto;
  width: 70%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}

.thumbnail_container {
  outline: solid 5px rgb(255, 89, 0);
  width: 125px;
  height: 125px;
  position: relative;
}

.thumbnail {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

.thumb_title {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  text-align: center;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  color: rgb(255, 255, 255);
}

.overlay{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  width: 100%;
  opacity: 0;
  transition: .5s ease;
  background-color: #ff7b00;
  cursor: pointer;
}

.thumbnail_container:hover .overlay {
  opacity: 1;
}