@import url('https://fonts.googleapis.com/css2?family=Raleway&family=Roboto+Slab&display=swap');

:root {
  --color-fond: #dfe6e9;
}

body {

  margin: 0;
  padding: 0;
  background-color: var(--color-fond);
  font-family: 'Raleway', sans-serif;

}

@keyframes entreHeader {
  0% {transform: translateY(-100%);}
}

header {

  transform: translateY(-100%);

}

@keyframes reduce {
  0%{height: 100vh;}
}

main {

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;

  transition: all 0.5s linear;
  height: calc(100vh - var(--header-height));

}

@keyframes entreTxt {
  0%, 50%{opacity: 0}
}

main h1 {

  font-size: 45px;
  margin: 0;
  padding: 0;
  font-style: normal;
  font-weight: normal;
  display: inline-block;
  margin-left: 5px;
  margin-right: 5px;
  opacity: 0;
  transition: opacity 0.5s linear;

}

#to_destroy {

  background-color: transparent;
  margin: 40px;
  border-radius: 3px;
  font-size: 20px;
  width: 175px;
  height: 45px;
  border: solid 1px rgb(26, 188, 156);
  font-family: 'Raleway', sans-serif;
  background-color: var(--color-fond);
  color: rgb(36, 198, 166);
  cursor: pointer;
  transition: all 0.2s ease-out;
  outline: none;
  text-decoration: none;
  opacity: 0;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

}

#to_destroy:hover {

  background-color: rgb(36, 198, 166);
  color: var(--color-fond);
  text-decoration: underline;

}


.project_frame {

  width: auto;
  max-width: 400px;
  height: auto;
  background-color: #fd79a8;
  margin: 30px;
  padding: 0;
  text-decoration: none;
  outline: none;
  cursor: pointer;

}

@media (max-width: 400px) {
  .project_frame {
    margin: 10px;
  }
}

.project_frame .back, .back img {

  background-color: #55efc4;
  transition: transform 0.2s linear;
  width: 100%;
  height: auto;
  padding: 0;
  margin: 0;

}

.project_frame:hover .back, .project_frame:hover img {

  transform: translateX(-10px) translateY(-10px);

}

#back-2 {

  width: 70%;
  background-color: #fd79a8;

}

#back-1, #rotating_img {

  width: 100%;
  background-color: #55efc4;
  transition: transform 0.2s linear;

}

#back-2:hover #rotating_img, #back-2:hover #back-1 {

  transform: rotateZ(-2deg);

}