@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

nav a:before, nav a:after{
    content: '';
    position: absolute;
    top: 0px;
    left: -200px;
    width: 60px;
    height: 100%;
    background-color: white;
    filter: blur(40px);
    transform: skewX(-30deg);
  }
 
  nav a{
    position: relative;
    overflow: hidden;
  }
 
 
  nav a:hover:before,
  nav a:focus:before{
    left: calc(100% + 80px);
    transition: 1s;
  }
 
 
  nav a:hover:after,
  nav a:focus:after{
    left: calc(100% + 55px);
    transition: 1s 0.5s;
  }

  .msg {
    top: 50%;
    position: absolute;
    left: 50%;
    border: 1px solid gray;
    padding: 20px;
    border-radius: 10px;
    font-size: 30px;
    width: 500px;
    margin-left: -250px;
    text-align: center;
    color: white;
  }

  .success {
    background-color: green;
  }



  .column {
    float: left;
    /* width: 33.3%; */
    width: 25%;
    margin-bottom: 16px;
    padding: 0 8px;
  }
  
  .card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    margin: 8px;
  }
  
  .about-section {
    padding: 50px;
    text-align: center;
    background-color: #474e5d;
    color: white;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .container::after, .row::after {
    content: "";
    clear: both;
    display: table;
  }
  
  .title {
    color: grey;
  }
  
  .button {
    border: none;
    outline: 0;
    display: inline-block;
    padding: 8px;
    color: white;
    background-color: #000;
    text-align: center;
    cursor: pointer;
    width: 100%;
  }
  
  .button:hover {
    background-color: #555;
  }
  
  @media screen and (max-width: 650px) {
    .column {
      width: 100%;
      display: block;
    }
  }