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

body {
      margin: 0;
      height: 100%;
      font-family: 'Inter', sans-serif;
      background: linear-gradient(145deg, #0b0b1a 0%, #12122c 100%);
      color: #f0f0f0;
      line-height: 1.5;
      scroll-behavior: smooth;
      overflow-x: hidden;
      overflow-y:auto;

    }

    #mainSection{
    	display: flex;
       	width: 100%;
    	height: 100%;
    	box-sizing: border-box;
    	background:linear-gradient(145deg, #0b0b1a 0%, #12122c 100%);
    }

   #contentBox{
    	 width: 75%;
    	 min-height: 100vh;              
    	 margin-left: auto;
    	 background: transparent;
    	 border: 1px solid white;
         overflow: scroll;
      }

#sidebar{
    	width: 25%;
    	min-height: 100vh;                 
    	background: blue;

    }

   #head-box{
      display: flex;
      width: 100%;
      height: 100px;
      background: #244D3F;
      box-sizing: border-box;
      box-shadow: 3px 3px 5px black;
    }

   .Logo-image{ 
    	width: 100px;
    	height: 80px;
    	float: left;
        border-radius: 12px;
        margin: 10px;
      }

 .logo-heading{
   	color: red;
   	font-size: 35px;
   	margin: 35px 5px;
   	text-shadow: 2px 2px 1px white;
    letter-spacing: 3px;
    font-family: sans-serif;

   }


   .about-list li{
         padding : 10px;
   }

   .about-list li a{
        color:white;
        text-decoration: none;
        font-size: 20px;
        font-family: sans-serif;
        text-shadow: 2px 2px 2px #000000;

   }

   .about-list li a:hover {
                
                text-decoration: underline yellow;
        }

 #Welcome{
            
    width: 100%;
    height:100px;
    background: yellow;
    color: black; 
    font-family: sans-serif;
    border: 2px solid white;
    text-shadow: 2px 2px 2px gray,-2px -2px 2px white;
    display: flex;
    flex-direction: column;
    justify-content: center; /* vertical center */
    align-items: center;     /* horizontal center */
    text-align: center;
    box-shadow : 3px 3px 5px aqua;
    }

  #Welcome h1{
        font-size: 35px;

      }

      #Welcome h3{
        font-size: 23px;
}
     
       
    /* content area section*/

 #contentArea {
  padding: 20px;
  color: white;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
  


  /* =========================================
   RESPONSIVE DESIGN FOR ABOUT PAGE
========================================= */

/* ---------- Tablets ---------- */

@media screen and (max-width: 992px){

    body{
        overflow-x: hidden;
    }

    #mainSection{
        flex-direction: column;
        width: 100%;
        min-height: 100vh;
    }

    #sidebar{
        width: 100%;
        min-height: auto;
    }

    #contentBox{
        width: 100%;
        min-height: 100vh;
        overflow-y: auto;
        border-left: none;
    }

    #head-box{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        padding: 15px;
        text-align: center;
    }

    .Logo-image{
        width: 80px;
        height: auto;
        margin: 10px;
    }

    .logo-heading{
        font-size: 32px;
        margin: 10px;
        letter-spacing: 2px;
    }

    .about-list{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        padding: 10px;
    }

    .about-list li{
        list-style: none;
        padding: 10px 15px;
    }

    .about-list li a{
        font-size: 18px;
    }

    #Welcome{
        width: 100%;
        height: auto;
        padding: 20px 10px;
    }

    #Welcome h1{
        font-size: 32px;
        line-height: 1.3;
    }

    #Welcome h3{
        font-size: 22px;
    }

    #contentArea{
        padding: 20px;
    }

}


/* ---------- Mobile Devices ---------- */

@media screen and (max-width: 768px){

    body{
        overflow-x: hidden;
    }

    #mainSection{
        flex-direction: column;
        width: 100%;
    }

    #sidebar{
        width: 100%;
        min-height: auto;
    }

    #contentBox{
        width: 100%;
        min-height: 100vh;
        overflow-y: auto;
        border: none;
    }

    #head-box{
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: auto;
        padding: 15px 10px;
        text-align: center;
    }

    .Logo-image{
        width: 70px;
        height: auto;
        margin: 5px;
    }

    .logo-heading{
        font-size: 28px;
        margin: 5px;
        letter-spacing: 1px;
    }

    .about-list{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        padding: 10px;
    }

    .about-list li{
        list-style: none;
        padding: 8px 10px;
    }

    .about-list li a{
        font-size: 16px;
    }

    #Welcome{
        width: 100%;
        height: auto;
        padding: 20px 10px;
    }

    #Welcome h1{
        font-size: 26px;
        line-height: 1.4;
        text-align: center;
    }

    #Welcome h3{
        font-size: 18px;
        text-align: center;
    }

    #contentArea{
        padding: 15px;
        font-size: 15px;
        line-height: 1.7;
    }

}


/* ---------- Small Mobile Devices ---------- */

@media screen and (max-width: 480px){

    #head-box{
        padding: 10px;
    }

    .Logo-image{
        width: 60px;
    }

    .logo-heading{
        font-size: 22px;
    }

    .about-list{
        flex-direction: column;
    }

    .about-list li{
        width: 100%;
        text-align: center;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255,255,255,0.2);
    }

    .about-list li a{
        font-size: 15px;
    }

    #Welcome{
        padding: 15px 8px;
    }

    #Welcome h1{
        font-size: 22px;
    }

    #Welcome h3{
        font-size: 16px;
    }

    #contentArea{
        padding: 12px;
        font-size: 14px;
    }

}