body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
  }
  
  html {
    box-sizing: border-box;
  }
  
  *, *:before, *:after {
    box-sizing: inherit;
  }
  .row{
    margin-top: 20px;
  }
  .column {
    float: left;
    width: 33.33%;
    margin-top: 20px;
    margin-bottom: 10px;
    padding: 0px 8px;
  }
  .video{
    margin-top: 10px;
    border-radius: 20px;
  }
  iframe{
    margin-top: 20px;
    border-radius: 20px;
    width: 90%;
    height: 40vh;
    box-shadow: 0px 0px 2px 2px #544bb0;
   }
  img{
    margin-top: 20px;
    border-radius: 20px;
    width: 90%;
    height: 40vh;
    box-shadow: 0px 0px 2px 2px #544bb0;
  }
  .card {
    border-radius: 15px;
    margin: 0px;
    color: beige;
    box-shadow: 0px 0px 2px 2px rgba(242, 228, 228, 0.2);
    background-color: #140d28;
  }
  .card:hover{
    box-shadow: 0px 0px 10px 10px rgba(242, 228, 228, 0.2);
    background-color: #000000;
  }
  
  .about-section {
    padding: 0px;
    text-align: center;
    background-color: #19122e;
    color: white;
  }
  
  .container {
    padding: 0 5px;
  }
  
  .container::after, .row::after {
    content: "";
    clear: both;
    display: table;
  }
  
  .title {
    color: rgb(3, 229, 245);
  }
  
  .button{
    border-radius: 15px;
    outline: 0;
    display: inline-block;
    padding: 4px;
    color: rgb(0, 0, 0);
    background-color: rgb(255, 255, 255);
    text-align: center;
    cursor: pointer;
    width: 100%;
  }
  
  .button:hover {
    background-color: rgb(232, 244, 8);
    color: black;
  }
  .back{
    background-color: #19122e;
  }
  .ti{
    background-color: blanchedalmond;
  }
  .blink-bg{
    padding: 10px;
    font-weight: bold;
    color: #fff;
    padding: 5px;
    display: inline-block;
    border-radius: 5px;
    animation: blinkingBackground 10s infinite;
}
@keyframes blinkingBackground{
    0%		{ background-color: #10c018;}
    25%		{ background-color: #587aab;}
    50%		{ background-color: #946265;}
    75%		{ background-color: #71aaf9;}
    100%	   { background-color: #04a1d5;}
}
@media screen and (max-width: 650px) {
  .column {
    width: 100%;
    display: block;
  }
}
.buttons{
    color: aqua;
    font-weight: bold;
    background-color: greenyellow;
    position: absolute;
    right: 0px;
    width: 100px;
    border: 3px solid #000000;
    padding: 10px;
    border-radius: 7px;
}