body {
  background-color: #f4f4f4;
  background-image: radial-gradient(circle, #af4c0a 10%, transparent 10%),
                    radial-gradient(circle, #cccccc 10%, transparent 10%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
  height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333;
}
.css-button-arrow--red {
    width: 1000px;
    height: 40px;
    color: #fff;
    padding: 5px 10px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    outline: none;
    overflow: hidden;
    border-radius: 5px;
    border: none;
    background-color: #ef233c;
    
  }
  
  .css-button-arrow--red:hover {
    border-radius: 5px;
    padding-right: 24px;
    padding-left: 8px;
  }
  
  .css-button-arrow--red:hover:after {
    opacity: 1;
    right: 10px;
  }
  
  .css-button-arrow--red:after {
    content: "\00BB";
    position: absolute;
    opacity: 0;
    font-size: 20px;
    line-height: 40px;
    top: 0;
    right: -20px;
    transition: 0.4s;
  }
  
    .css-button-arrow--red {
      width: 1000px;
      height: 40px;
      color: #fff;
      padding: 5px 10px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      display: inline-block;
      outline: none;
      overflow: hidden;
      border-radius: 5px;
      border: none;
      background-color: #ef233c;
    }
    
    .css-button-arrow--red:hover {
      border-radius: 5px;
      padding-right: 24px;
      padding-left: 8px;
    }
    
    .css-button-arrow--red:hover:after {
      opacity: 1;
      right: 10px;
    }
    
    .css-button-arrow--red:after {
      content: "\00BB";
      position: absolute;
      opacity: 0;
      font-size: 20px;
      line-height: 40px;
      top: 0;
      right: -20px;
      transition: 0.4s;
    }
    /* youtube channel buttonz*/
  
  
    /* gravitation button*/
    .css-button-sliding-to-bottom--yellow {
      
      min-width: 130px;
      height: 140px;
      color: #fff;
      padding: 5px 10px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      display: inline-block;
      outline: none;
      border-radius: 30%;
      z-index: 0;
      background: #fff;
      overflow: hidden;
      border: 2px solid #ffd819;
      color: #ffd819;
    }
    .css-button-sliding-to-bottom--yellow:hover {
      color: #fff;
    }
    .css-button-sliding-to-bottom--yellow:hover:after {
      height: 100%;
    }
    .css-button-sliding-to-bottom--yellow:after {
      content: "";
      position: absolute;
      z-index: -1;
      transition: all 0.3s ease;
      left: 0;
      top: 0;
      height: 0;
      width: 100%;
      background: #ffd819;
    }
    #gravi{
      text-decoration: none;
    }
  /*copy - here !*/
    .buttonelectro{
      min-width: 180px;
      height: 140px;
      color: #fff;
      padding: 5px 10px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      display: inline-block;
      outline: none;
      border-radius: 30%;
      z-index: 0;
      background: #fff;
      overflow: hidden;
      border: 2px solid #ffba08;
      color: #ffba08;
    }
    .buttonelectro:hover {
      color: #fff;
    }
    .buttonelectro:hover:after {
      height: 100%;
    }
    .buttonelectro:after {
      content: "";
      position: absolute;
      z-index: -1;
      transition: all 0.3s ease;
      left: 0;
      top: 0;
      height: 0;
      width: 100%;
      background: #ffba08;
    }
    /*copy - here !*/
    #gravi{
      text-decoration: none;
    }
  
    
    .rotationalbutton{
      min-width: 130px;
      height: 140px;
      color: #fff;
      padding: 5px 10px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      display: inline-block;
      outline: none;
      border-radius: 30%;
      z-index: 0;
      background: #fff;
      overflow: hidden;
      border: 2px solid #88857d;
      color: #88857d;
    }
    .rotationalbutton:hover {
      color: #fff;
    }
    .rotationalbutton:hover:after {
      height: 100%;
    }
    .rotationalbutton:after {
      content: "";
      position: absolute;
      z-index: -1;
      transition: all 0.3s ease;
      left: 0;
      top: 0;
      height: 0;
      width: 100%;
      background:  #88857d;
    }
    #gravi{
      text-decoration: none;
    }
    .navtext{
      text-decoration-color: red;
    }
    #a1{
        text-decoration: none;
    }


    /*magnetism button*/
    .magnetism {
      
      min-width: 130px;
      height: 140px;
      color: #fff;
      padding: 5px 10px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      display: inline-block;
      outline: none;
      border-radius: 30%;
      z-index: 0;
      background: #fff;
      overflow: hidden;
      border: 2px solid #343a40;
      color: #343a40;
  }
  .magnetism:hover {
      color: #fff;
  }
  .magnetism:hover:after {
      height: 100%;
  }
  .magnetism:after {
      content: "";
      position: absolute;
      z-index: -1;
      transition: all 0.3s ease;
      left: 0;
      top: 0;
      height: 0;
      width: 100%;
      background: #343a40;
  } 
        /*magnetism button end*/

    
        .particle{
          min-width: 180px;
          height: 140px;
          color: #fff;
          padding: 5px 10px;
          font-weight: bold;
          cursor: pointer;
          transition: all 0.3s ease;
          position: relative;
          display: inline-block;
          outline: none;
          border-radius: 30%;
          z-index: 0;
          background: #fff;
          overflow: hidden;
          border: 2px solid #219ebc;
          color: #219ebc;
        }
        .particle:hover {
          color: #fff;
        }
        .particle:hover:after {
          height: 100%;
        }
        .particle:after {
          content: "";
          position: absolute;
          z-index: -1;
          transition: all 0.3s ease;
          left: 0;
          top: 0;
          height: 0;
          width: 100%;
          background: #219ebc;
        }

        
        .kepler{
          
          min-width: 180px;
          height: 140px;
          color: #fff;
          padding: 5px 10px;
          font-weight: bold;
          cursor: pointer;
          transition: all 0.3s ease;
          position: relative;
          display: inline-block;
          outline: none;
          border-radius: 30%;
          z-index: 0;
          background: #fff;
          overflow: hidden;
          border: 2px solid #ff006e;
          color: #ff006e;
        }
        .kepler:hover {
          color: #fff;
        }
        .kepler:hover:after {
          height: 100%;
        }
        .kepler:after {
          content: "";
          position: absolute;
          z-index: -1;
          transition: all 0.3s ease;
          left: 0;
          top: 0;
          height: 0;
          width: 100%;
          background: #ff006e;
        }
.cl1{
  border-radius: 30%;
  border-style: dotted;
  width: 300px;
  height: 700px;
}
.section{
  display: flex;
  justify-content: end ;
  justify-content: space-evenly;
  flex-wrap: wrap;
}
#i1 {
  display: flex;
  justify-content: center;
}
 

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}