body {
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
}

.home_section {
  width: 100%;
  height: 100vh;
  padding-left: 1%;
  box-sizing: border-box;
  overflow: hidden;
}

.home_title {
  position: absolute;
  text-align: end;
  left: 70%;
  top: 20%;
  transform: translate(-50%, 0%);
  padding-top: 10px;
  margin-bottom: 50px;
}

#main_heading {
  font-size: 60px;
  font-family: "Josefin Sans", sans-serif;
  font-weight: 300;
}

#topbar {
  display: flex;
  justify-content: space-between;
}

#top-menu-list {
  list-style-type: none;
  display: block;
}

#top-menu-list button {
  background-color: #f5f5f5;
  border: black solid 2px;
  border-radius: 5px;
  margin-right: 20px;
  transition: 0.1s ease-in;
  padding: 10px;
  cursor: pointer;
}

.menu-item {
  text-align: center;
  margin-right: 0;
  padding-right: 30px;
  font-family: "Josefin Sans", sans-serif;
  font-size: 30px;
  color: black;
  transition: 0.1s ease-in;
}

#top-menu-list button:hover {
  background-color: rgb(141, 141, 141);
}

.menu-item:hover {
  color: white;
}

#main_subheading {
  font-family: "Josefin Sans", sans-serif;
  font-size: 30px;
}

.cheatsheet_section {
  margin: 10px 0;
  z-index: 5;
}

.htmlbtn {
  position: absolute;
  left: 46%;
  top: 70%;
  transform: translate(-50%, 0%);
  margin: 0;
  padding-right: 40px;
  transition: 0.3s ease;
  opacity: 0.6;
}

.cssbtn {
  position: absolute;
  left: 55%;
  top: 70%;
  transform: translate(-50%, 0%);
  margin: 0;
  transition: 0.3s ease;
  opacity: 0.6;
}

.htmlbtn:hover {
  cursor: pointer;
  opacity: 1;
}

.cssbtn:hover {
  cursor: pointer;
  opacity: 1;
}

.cheatsheat_title {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, 0%);
  margin-top: 100px;
  margin-bottom: 5px;
  font-family: "Josefin Sans", sans-serif;
  font-weight: 100;
}

.wavesection {
  position: absolute;
  left: 0%;
  right: 0%;
}

.wave {
  opacity: 0.1;
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100px;
  background-image: url(wave2.png);
  background-size: 1000px 100px;
}

.wave.wave1 {
  animation: animate 10s linear infinite;
  z-index: 4;
  animation-delay: 0s;
  opacity: 0.1;
}
.wave.wave2 {
  animation: animate2 5s linear infinite;
  z-index: 3;
  animation-delay: 2s;
  opacity: 0.2;
}
.wave.wave3 {
  animation: animate3 15s linear infinite;
  z-index: 2;
  animation-delay: 0s;
  opacity: 0.3;
}
.wave.wave4 {
  animation: animate4 18s linear infinite;
  z-index: 1;
  animation-delay: 1s;
  opacity: 0.4;
}

@keyframes animate {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: -1000px;
  }
}
@keyframes animate2 {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: 1000px;
  }
}
@keyframes animate3 {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: -1000px;
  }
}
@keyframes animate4 {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: 1000px;
  }
}