/* RESET */
*,
html,
body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

h2,
h4,
p,
ul,
li {
  margin: 0;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}
/* END OF RESET */

/* JS ANIMATION */
.hidden {
  opacity: 0;
  filter: blur(5px);
  transform: translateX(-100%);
  transition: all 2s;
}

.show {
  opacity: 1;
  filter: blur(0px);
  transform: translateX(0%);
}

.scroll {
  margin-top: 3rem;
  text-align: center;
}
/* END OF JS ANIMATION */

body {
  background-color: black;
  color: rgb(204, 204, 204);
  font-family: "Montserrat", sans-serif;
}

header {
  padding-top: 20px;
}

a {
  color: inherit;
  text-decoration: none;
}

h1 {
  margin-bottom: 10px;
}

.number {
  font-weight: 700;
  color: rgb(155, 43, 207);
  /* vertical-align: super; */
  font-size: 0.5em;
}

.exercise-container {
  /* transition: all 4s; */
}
.exercise-container h2 {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 1rem;
}

section {
  margin: 25vh auto;
}

.exercises {
  margin: 0 auto;
  max-width: 898px;
}

.exercise-container {
  padding: 1rem;
  background-color: rgb(70, 70, 70);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
}

.reverse {
  flex-direction: row-reverse;
}

.content {
  flex: 1;
  padding: 0 2rem;
}

footer {
  width: 100%;
  margin: 20px auto;
}

.center-text {
  text-align: center;
}

.button {
  background-color: hsl(0, 0%, 17%);
  color: white;
  margin-top: 2em;
  padding: 14px 30px;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 1em;
  border: 0px;
  border-radius: 5px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  transition: 5ms;
}

.button:hover {
  cursor: pointer;
  background-color: hsl(0, 0%, 54%);
}

.img {
  max-width: 400px;
  max-height: 400px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img img {
  width: auto;
  height: 400px;
  background-position: center;
}

@media screen and (max-width: 756px) {
  body {
    text-align: center;
  }

  .exercises {
    max-width: 400px;
  }

  section {
    margin: 10vh auto;
  }

  .exercise-container img {
    max-width: 365px;
    max-height: 300px;
    width: auto;
    height: auto;
    overflow: hidden;
    position: relative;
    background-size: contain;
  }

  .button {
    margin-top: 1em;
  }
}