*{
    margin: 0;
    padding: 0;
    
  }
  .main{
      width: 100%;
      background: linear-gradient(to top,rgba(0,0,0,0.5)50%,rgba(0,0,0,0.5)50%), url(image/about.jpg);
      background-position: center;
      background-size: cover;
      height: 70vh;
  }
  
  .navbar{
      width: 1200px;
      height: 75px;
      margin: auto;
  }
  .icon{
      width: 200px;
      float: left;
      height: 70px;
  
  }
  
  .logo{
      color: yellow;
      font-size: 35px;
      font-family: Arial;
      padding-left: 20px;
      float: left;
      padding-top: 10px;
  }
  
  .menu{
      width: 400px;
      float: left;
      height: 70px;
  }
  
  ul{
      float: left;
      display: flex;
      justify-content: center;
      align-items: center;
  }
  ul li{
      list-style: none;
      margin-left: 62px;
      margin-top: 27px;
      font-size: 14px;
  }
  ul li a{
      text-decoration: none;
      color: #fff;
      font-family: Arial;
      font-weight: bold;
      transition: 0.4s ease-in-out;
  }
  
  ul li a:hover{
      color: yellow ;
  }
  
  .search{
      width: 330px;
      float: left;
      margin-left: 270px;
  
  }
  .srch{
      font-family: 'Times New Roman';
      width: 200px;
      height: 40px;
      background: transparent;
      border: 1px solid yellow;
      margin-top: 13px;
      color: #fff;
      border-right: none;
      font-size: 16px;
      float: left;
      padding: 10px;
      border-bottom-left-radius: 5px;
      border-top-left-radius: 5px;
  }
  
  .btn{
      width: 100px;
      height: 40px;
      background:yellow ;
      border: 2px solid yellow;
      margin-top: 13px;
      border-bottom-right-radius: 5px;
      border-bottom-right-radius: 5px;
  }
  
  .btn:focus{
      outline: none;
  }
  .srch:focus{
      outline: none;
  }
  
  .content{
      width: 1200px;
      height: auto;
      margin: auto;
      color: #fff;
      position: relative;
  }
  .content .par{
      padding-left: 20px;
      padding-bottom: 25px;
      font-family: arial;
      letter-spacing: 1.2px;
      line-height: 30px;
      
  }
  .row{
  display: flex;
  margin-top: 34px;
  
  }
  .row .col{
  margin: 12px;
  
  
  }
  
  
         button{
  width: 40px;
  height: 22px;
  cursor: pointer;
  border:none;
  background:transparent;
  
          }
          button:hover{
              color: royalblue;
              transition: 2s ease-in-out;
          }
          .col-1 .imb-box{
              position: relative;
              width: 50px;
              max-height: 50%;
          }
          .imb-box img{
             width:40px;
          }