* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
#loading{
  height: 100vh;
  width: 100%;
  background: #fff;
  z-index: 10000;
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-div{
  background: #979faf;
  height: 38px;
  width: 35px;
  position: absolute;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}
.fa-user, .fa-envelope, .fa-phone-alt{
  margin-top: 10px;
  font-size: 15px;
  color: #fff;
}
input{
  padding: 15px 8px 15px 45px!important;
}
html{
  scroll-behavior: smooth;
}
.pre{
  display: none;
}

.navbar-toggler {
  border: none;
}

.navbar-toggler:focus {
  outline: none;
}

.nav-link:hover{
  border-bottom: 1px solid #fff;
}

#particles-js {
  position: relative;
  background-color: #000;
  background-image: url(images/list_t2_db_p4_2400x1695.jpg);
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
}


.navbar{
  position: absolute;
  top: 0;
}
.heading {
  top: 250px;
  line-height: 60px;
  position: absolute;
  left: 100px;
}

.section-1 #particles-js .heading h1 {
  font-family: 'Rubik', sans-serif;
  font-weight: 500;
  font-size: 45px;
  color: #fff;
}

.section-1 #particles-js .heading p {
  font-weight: 300;
  font-size: 27px;
  color: #fff;
}
.section-1, .section-2, .section-3, .section-4{
  height: 100vh;
  width: 100%;
}

.heading-u{
  /* padding-top: 90px; */
  padding-bottom: 20px;
  font-size: 40px;
  font-weight: bold;
  color: #444649;
  display: inline-block;
  border-bottom: 5px solid black;
}
.about-section, .skills-section{
  color: #616161;
  width: 100%;
  text-align: center;
  margin-top: 150px;
  height: 100%;
}
.fad, .fal, .far, .fas{
  transform: scale(3);
  color: #fff;
}
.fa-html5{
  color: orangered;
}
.fa-css3-alt{
  color: dodgerblue;
}
.fa-bootstrap{
  color: darkmagenta;
}
.fa-js{
  color: orange;
}
.fa-sass{
  color: magenta;
}
.fa-php{
  color: royalblue;
}
.hexagon {  
  background: linear-gradient(rgba(0,0,0) , rgb(7, 50, 99));
  height: 100px;
  width: 115px;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto; 
} 
.btn{
  color: #fff;
  font-weight: bold;
  border-radius: 100px;
  margin: 0 5px;
  padding: 12px 35px;
  outline: none;
  line-height: 1.4;
  background: linear-gradient(rgba(0,0,0) , rgb(7, 50, 99));
}
footer{
  background: linear-gradient(rgba(0,0,0) , rgb(2, 31, 65));
}

#myBtn{
  display: none;
  position: fixed;
  bottom: 20px;
  left: 40px;
  z-index: 99;
  border: none;
  color: #fff;
  background: linear-gradient(rgba(0,0,0) , rgb(7, 50, 99));
  padding: 10px;
  border-radius: 10px;
}

@media only screen and (max-width:768px) {
  .navbar-brand{
    font-size: 22px!important;
  }
  .navbar-collapse{
    transition: 0.5s;
    background-color: rgba(255,255,255,0.1);
  }
  
  .section-1 #particles-js .heading{
    top: 240px;
    left: 20px;
    line-height: 28px;
  }
  .section-1 #particles-js .heading h1 {
    font-size: 25px;
  }
  .section-1 #particles-js .heading p {
    font-weight: 300;
    font-size: 19px;
  }
  .section-2,.section-3{
    height: auto;
  }
  .section-2 .container{
    padding-top: 45px;
    height: min-content;
    padding-bottom: 45px;
  }
  .section-2 .container h1, .section-3 .container h1, .section-4 .container h1{
    font-size: 25px;
    padding-top: 0!important;
  }
  .section-4 .container h1 {
    margin-top: 40px;
  }
  .about-section{
    margin-top: 50px;
  }
  .skills-section{
    margin-top: 15px;
  }
  .skills-section .row{
    margin-top: 0!important;
  }
  .col-md-3{
    margin-bottom: 40px;
  }
  .section-3 .container {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  footer {
    font-size: 12px;
  }
  .nav-link{
    font-size: 16px!important;
  }
}