html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
  

}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* particleground demo */

* {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  background: #000010;
  font-family: 'Montserrat', sans-serif;
  color: #fff;
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
}

#particles {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#intro {
  position: absolute;
  left: 0;
  top: 50%;
  padding: 0 10px;
  width: 100%;
  text-align: center;
}
h2 {
  text-transform: uppercase;
  font-size: 50px;
  font-weight: 120;
  color: #ffffff;
  letter-spacing: 0.05em;
}
h1::after {
  content: '';
  width: 80px;
  display: block;
  background: #fff;
  height: 10px;
  margin: 30px auto;
  line-height: 1.1;
}
p {
  margin: 0 0 30px 0;
  font-size: 24px;
  font-family: 'Roboto', sans-serif;
}

@media only screen and (max-width: 1000px) {
  h1 {
    font-size: 15px;
  }
}

@media only screen and (max-width: 100px) {
  h1 {
    font-size: 15px;
  }
  h1::after {
    height: 8px;
  }
}

@media only screen and (max-width: 100px) {
  #intro {
    padding: 0 10px;
  }
  h1 {
    font-size: 15px;
  }
  h1::after {
    height: 6px;
  }
  p {
    font-size: 18px;
  }
  .btn {
    font-size: 16px;
  }
}

@media only screen and (max-width: 100px) {
  h1 {
    font-size: 15px;
  }
  h1::after {
    height: 4px;
  }
}
* {
  margin: 0px;
  padding: 0px;
}

body {
  background: #2c3e50;
}

.nav {
  height: 50px;
  width: 100%;
  background-color: #4d4d4d;
  position: relative;
  text-align: center;
}
 
.nav > .nav-header {
  display: inline;
 
  
}
.nav > .nav-header > .nav-title {
  display: inline-block;
  font-size: 22px;
  text-align: center;
  color: #fff;
  padding: 10px 10px 10px 10px;
}
.nav > .nav-links {
  display: inline;
  float: none;
  position: relative;
  font-size: 18px;
}
 
.nav > .nav-links > a {
  display: inline-block;
  padding: 13px 10px 13px 10px;
  text-decoration: none;
  color: #efefef;
}
 
.nav > .nav-links > a:hover {
  background-color: rgba(0, 0, 0, 0.3);
}
.nav > .nav-btn,
.nav > #nav-check {
  display: none;
}
@media (max-width:600px) {
  .nav > .nav-btn {
    display: inline-block;
    position: absolute;
    right: 0px;
    top: 0px;
    margin: 0 auto;
  }
  .nav > .nav-btn > label {
    display: inline-block;
    width: 50px;
    height: 50px;
    padding: 13px;
  }
  .nav > .nav-btn > label:hover,.nav  #nav-check:checked ~ .nav-btn > label {
    background-color: rgba(0, 0, 0, 0.3);
  }
  .nav > .nav-btn > label > span {
    display: block;
    width: 25px;
    height: 10px;
    border-top: 2px solid #eee;
  }
  .nav > .nav-links {
    position: absolute;
    display: block;
    width: 100%;
    background-color: #333;
    height: 0px;
    transition: all 0.3s ease-in;
    overflow-y: hidden;
    top: 50px;
    left: 0px;
    
  }
  .nav > .nav-links > a {
    display: block;
    width: 100%;
  }
  .nav > #nav-check:not(:checked) ~ .nav-links {
    height: 0px;
  }
  .nav > #nav-check:checked ~ .nav-links {
    height: calc(100vh - 50px);
    overflow-y: auto;
  }
}

#particles-js {
  width: 100%;
  height: 100%;
  /* background-color: #232741; */
  background-image: url('https://webdevtrick.com/wp-content/uploads/coding.jpg');
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  overflow: hidden;
}