yelin/error/style/style.css

@import url("https://fonts.googleapis.com/css?family=Nunito+Sans");
:root {
  --blue: #0e0620;
  --white: #fff;
  --green: #2ccf6d;
}

html,
body {
  height: 100%;
}

body {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
          align-items: center;
  -webkit-box-pack: center;
          justify-content: center;
  font-family: "Nunito Sans";
  color: var(--blue);
  font-size: 1em;
}

button {
  font-family: "Nunito Sans";
}

ul {
  list-style-type: none;
  -webkit-padding-start: 35px;
          padding-inline-start: 35px;
}

svg {
  width: 100%;
  visibility: hidden;
}

h1 {
  font-size: 7.5em;
  margin: 15px 0px;
  font-weight: bold;
}

h2 {
  font-weight: bold;
}

.hamburger-menu {
  position: absolute;
  top: 0;
  left: 0;
  padding: 35px;
  z-index: 2;
}
.hamburger-menu button {
  position: relative;
  width: 30px;
  height: 22px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}
.hamburger-menu button span {
  position: absolute;
  height: 3px;
  background: #000;
  width: 100%;
  left: 0px;
  top: 0px;
  -webkit-transition: 0.1s ease-in;
  transition: 0.1s ease-in;
}
.hamburger-menu button span:nth-child(2) {
  top: 9px;
}
.hamburger-menu button span:nth-child(3) {
  top: 18px;
}
.hamburger-menu [data-state="open"] span:first-child {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  top: 10px;
}
.hamburger-menu [data-state="open"] span:nth-child(2) {
  width: 0%;
  opacity: 0;
}
.hamburger-menu [data-state="open"] span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  top: 10px;
}

nav {
  position: absolute;
  height: 100%;
  top: 0;
  left: 0;
  background: var(--green);
  color: var(--blue);
  width: 300px;
  z-index: 1;
  padding-top: 80px;
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
  -webkit-transition: 0.24s cubic-bezier(0.52, 0.01, 0.8, 1);
  transition: 0.24s cubic-bezier(0.52, 0.01, 0.8, 1);
}
nav li {
  -webkit-transform: translateX(-5px);
          transform: translateX(-5px);
  -webkit-transition: 0.16s cubic-bezier(0.44, 0.09, 0.46, 0.84);
  transition: 0.16s cubic-bezier(0.44, 0.09, 0.46, 0.84);
  opacity: 0;
}
nav a {
  display: block;
  font-size: 1.75em;
  font-weight: bold;
  text-decoration: none;
  color: inherit;
  -webkit-transition: 0.24s ease-in-out;
  transition: 0.24s ease-in-out;
}
nav a:hover {
  text-decoration: none;
  color: var(--white);
}
nav[data-state="open"] {
  -webkit-transform: translateX(0%);
          transform: translateX(0%);
}
nav[data-state="open"] ul li:nth-child(1) {
  -webkit-transition-delay: 0.16s;
          transition-delay: 0.16s;
  -webkit-transform: translateX(0px);
          transform: translateX(0px);
  opacity: 1;
}
nav[data-state="open"] ul li:nth-child(2) {
  -webkit-transition-delay: 0.32s;
          transition-delay: 0.32s;
  -webkit-transform: translateX(0px);
          transform: translateX(0px);
  opacity: 1;
}
nav[data-state="open"] ul li:nth-child(3) {
  -webkit-transition-delay: 0.48s;
          transition-delay: 0.48s;
  -webkit-transform: translateX(0px);
          transform: translateX(0px);
  opacity: 1;
}
nav[data-state="open"] ul li:nth-child(4) {
  -webkit-transition-delay: 0.64s;
          transition-delay: 0.64s;
  -webkit-transform: translateX(0px);
          transform: translateX(0px);
  opacity: 1;
}

.btn {
  z-index: 1;
  overflow: hidden;
  background: transparent;
  position: relative;
  padding: 8px 50px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1em;
  letter-spacing: 2px;
  -webkit-transition: 0.2s ease;
  transition: 0.2s ease;
  font-weight: bold;
  margin: 5px 0px;
}
.btn.green {
  border: 4px solid var(--green);
  color: var(--blue);
}
.btn.green:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0%;
  height: 100%;
  background: var(--green);
  z-index: -1;
  -webkit-transition: 0.2s ease;
  transition: 0.2s ease;
}
.btn.green:hover {
  color: var(--white);
  background: var(--green);
  -webkit-transition: 0.2s ease;
  transition: 0.2s ease;
}
.btn.green:hover:before {
  width: 100%;
}

@media screen and (max-width: 768px) {
  body {
    display: block;
  }

  .container {
    margin-top: 70px;
    margin-bottom: 70px;
  }
}