* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html{
    scroll-behavior: smooth;
  }
  
  body {
    background-color: black;
  }
  

  /* The grid: Four equal columns that floats next to each other */
  .column {
    float: left;
    width: 25%;
    padding: 10px;
  }
  
  /* Style the images inside the grid */
  .column img {
    opacity: 0.8; 
    cursor: pointer; 
    width: 100%;
  }
  
  .column img:hover {
    opacity: 1;
  }
  
  /* Clear floats after the columns */
  .row:after {
    content: "";
    display: table;
    clear: both;
  }
  
  /* The expanding image container */
  .container {
    position: relative;
    display: none;
    width: 100%;
  }
  
  /* Expanding image text */
  #imgtext {
    position: absolute;
    top: 15px;
    right: 15px;
    color: white;
    font-size: 15px;
    margin-left: 850px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-weight: 300;
    opacity: 0.7;

  }



  .container img{
    width: 60%;
  }
  
  
  /* Closable button inside the expanded image */
  .closebtn {
    position: absolute;
    top: 10px;
    margin-left: 600px;
    color: white;
    font-size: 35px;
    cursor: pointer;
    
  }

  .column h1{
    color: white;
  }

  @media only screen and (max-width: 1920px) {
  
    /* Closable button inside the expanded image */
    .closebtn {
      position: absolute;
      top: 10px;
      right: 50px;
      color: white;
      font-size: 35px;
      cursor: pointer;
    }
  
    #expandedImg{
      width: 50%;
      height: auto;
      margin-bottom: 100px;
      margin-left: 20px;
  
    }
    
     #imgtext{
          font-size: medium;
          width: 45%;
          margin-top: 80px;
          margin-left: 600px;
  
  
     }
  
    }



  @media only screen and (max-width: 750px) {
  
  /* Closable button inside the expanded image */
  .closebtn {
    position: absolute;
    top: 10px;
    margin-left: 600px;
    color: white;
    font-size: 35px;
    cursor: pointer;
  }

  #expandedImg{
    width: 95%;
    height: auto;
    margin-bottom: 450px;
    margin-left: 20px;

  }
  
   #imgtext{
        font-size: medium;
        width: 80%;
        margin-top: 540px;
        margin-right: 30px;


   }

  }

  @media only screen and (max-width: 576px) {
  
    /* Closable button inside the expanded image */
    .closebtn {
      position: absolute;
      top: 10px;
      margin-left: 300px;
      color: white;
      font-size: 45px;
      cursor: pointer;
    }
  
    #expandedImg{
      width: 95%;
      height: auto;
      margin-bottom: 1000px;
    }
    
     #imgtext{
          font-size: medium;
          width: 80%;
          margin-top: 300px;
          margin-right: 30px;
  
  
     }
     .column{
      margin-top: 210px;
     }
    }
  



      /* ---------------------------navBar--------------------------------- */
      :root{
        --color-1: black;
      }
      body{
        line-height: 1.5;
        font-family: sans-serif;
      }
      *{
        box-sizing: border-box;
        margin:0;
        padding:0;
      }
      a{
        text-decoration: none;
      }
      ul{
        list-style: none;
      }
      .containers-navbar{
        max-width: 1170px;
        margin: auto;
      }
      .rows-navbar{
        display: flex;
        flex-wrap: wrap;
      }
      .align-items-center{
        align-items: center;
      }
      .justify-content-between{
        justify-content: space-between;
      }
    
      img{
        width: 200px;
        height: auto;
      }
      /*header*/
      .header{
        background-color: var(--color-1);
        padding:12px 0;
        position: relative;
      }
      .header .logo,
      .header .nav{
        padding:0 15px;
      }
      .header .nav ul li{
        display: inline-block;
        margin-left: 40px;
      }
      .header .nav ul li a{
        display: block;
        font-size: 14px;
        padding: 10px 0;
        color: rgba(255,255,255,0.7);
        text-transform: capitalize;
        transition: all 0.5s ease;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
      }
      .header .nav ul li a:hover,
      .header .nav ul li a.active{
        color: #AE002B;
      }
      .header #nav-check{
        position: absolute;
        opacity:0;
        pointer-events: none;
      }
      .nav-toggler{
        height: 34px;
        width: 44px;
        background-color: #ffffff;
        border-radius: 4px;
        cursor: pointer;
        display: none;
        align-items: center;
        justify-content: center;
        margin-right: 15px;
      }
      .nav-toggler span{
        display: block;
        height: 2px;
        width: 20px;
        background-color: var(--color-1);
        position: relative;
      }
      .nav-toggler span::before,
      .nav-toggler span::after{
         content: '';
         position: absolute;
         width: 100%;
         height: 100%;
         background-color: var(--color-1);
         left:0;
      }
      .nav-toggler span::before{
        top: -6px;
      }
      .nav-toggler span::after{
        top: 6px;
      }
      @media(max-width: 991px){
          .nav-toggler{
            display: flex;
          }
          .header .nav{
            position: absolute;
            left:0;
            top:100%;
            width: 100%;
            background-color: var(--color-1);
            border-top: 1px solid rgba(255,255,255,0.2);
            opacity:0;
            visibility: hidden;
          text-align: center;
          }
          .header .nav ul li{
            display: block;
            margin:0;
      
          }
          .header #nav-check:checked ~ .nav{
             opacity: 1;
             visibility: visible;
          }
          .header #nav-check:focus ~ .nav-toggler{
            box-shadow: 0 0 15px #000000;
          }
          .header #nav-check:checked ~ .nav-toggler span{
            background-color: transparent;
          }
          .header #nav-check:checked ~ .nav-toggler span::before{
            top:0;
            transform: rotate(45deg);
          }
          .header #nav-check:checked ~ .nav-toggler span::after{
            top:0;
            transform: rotate(-45deg);
          }
          img{
            width: 100px;
            height: auto;
          }
      }
li.active a {
  background: black;
  color: 	#AE002B;
}


    /* --------------------------heading-------------------------- */
  .imageHeading{
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-weight: 300;
    opacity: 0.7;
    width: 100%; 
  }


  .row{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    color: #ffffff;
    font-size: 30px;
    margin-top: 30px;
  }

  .column{
    width: 100%;
    text-align: center;
}

.column h1{
    font-size: 14px;
    line-height: 1.4;
    color: #ffffff;
    margin-bottom: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-weight: 300;
    opacity: 0.7;
    width: 100%;
}


@media screen and (max-width: 768px) {
  .row{
      grid-template-columns: repeat(2,1fr);
  }




}
@media screen and (max-width: 576px) {

  .row{
      grid-template-columns: 1fr;
      grid-gap: 60px;
  }
}
                    
              




    /* ------------------------footer-------------------------- */

    .footer{
      background-color: black;
        padding: 70px 0;
    }
    .footer-col{
       width: 50%;
       padding: 0 35px;
    
    }
    .footer-col p{
      font-size: 18px;
      color: #ffffff;
      text-transform: capitalize;
      margin-bottom: 35px;
      font-weight: 500;
      position: relative;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
      font-weight: 300;
      opacity: 0.7;
      width: 100%;
      margin: 0 auto;
      line-height: 1.7;
    }
    .footer-col ul li:not(:last-child){
      margin-bottom: 10px;
    }
    .footer-col .social-links a{
      display: inline-block;
      height: 40px;
      width: 40px;
      background-color: rgba(255,255,255,0.2);
      margin:0 10px 10px 0;
      text-align: center;
      line-height: 40px;
      border-radius: 50%;
      color: #ffffff;
      transition: all 0.5s ease;
    }
    .footer-col .social-links a:hover{
      color: #24262b;
      background-color: #ffffff;
    }
    
    /*responsive*/
    @media(max-width: 767px){
      .footer-col{
        width: 100%;
        margin-bottom: 30px;
    }
    }
    @media(max-width: 574px){
      .footer-col{
        width: 100%;
    }
    }


    .content img{
      width: 15%;
      height: auto;
    }

    @media(max-width: 574px){
      .logo-subtitle{
        font-size: large;
       margin-left: 15px;
      }

      .content img{
        width: 20%;
        height: auto;
      }
    }