.red{
    color: red;
}
.r4-h2{
    font-size: larger;
    text-transform: uppercase;
    
    
    
}
footer{
    height: 30px;
    background-color: black;
}
th{
    padding: 1em;
    border: 1px solid black;
    border-top: black;
    align-items: center;
    text-align: center;
    color: white;
    background-color: #262626;
}
td{
    padding: 1em;
    border: 1px solid black;
}
table{
    border: 1px solid black;
    width: 90%;
}
tr{
    border: 1px solid black;
}
body{
    background-color: #e6e6e6;

}
img{
    background-color:white;
    max-width:100%;
    height:auto;
}
mark{
   background-color: yellow;
}



.otxt {
    font-size: 16px;
    color: #414143;
    text-align: center;
    text-decoration: overline;
}


.link{
  color:white;
  align-items: center;
  border: 2px solid black;
  border-radius: 12px;
  width: 90%;
  text-align: center;
  margin: auto;
  margin-bottom: 20px;
  
  
}
.white{
  color: red;
}

/*...........................button................................................................*/

#myBtn {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed/sticky position */
    bottom: 20px; /* Place the button at the bottom of the page */
    right: 30px; /* Place the button 30px from the right */
    z-index: 99; /* Make sure it does not overlap */
    border: none; /* Remove borders */
    outline: none; /* Remove outline */
    background-color: red; /* Set a background color */
    color: white; /* Text color */
    cursor: pointer; /* Add a mouse pointer on hover */
    padding: 15px; /* Some padding */
    border-radius: 10px; /* Rounded corners */
    font-size: 18px; /* Increase font size */
  }
  
  #myBtn:hover {
    background-color: #555; /* Add a dark-grey background on hover */
  }
/*...........................navbar................................................................*/

/* The side navigation menu */
.sidenav {
    height: 100%; /* 100% Full-height */
    width: 0; /* 0 width - change this with JavaScript */
    position: fixed; /* Stay in place */
    z-index: 1; /* Stay on top */
    top: 0; /* Stay at the top */
    left: 0;
    background-color: #111; /* Black*/
    overflow-x: hidden; /* Disable horizontal scroll */
    padding-top: 60px; /* Place content 60px from the top */
    transition: 0.5s; /* 0.5 second transition effect to slide in the sidenav */
  }
  
  /* The navigation menu links */
  .sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
    transition: 0.3s;
  }
  
  /* When you mouse over the navigation links, change their color */
  .sidenav a:hover {
    color: #f1f1f1;
  }
  
  /* Position and style the close button (top right corner) */
  .sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
  }
  
  /* Style page content - use this if you want to push the page content to the right when you open the side navigation */
  #main {
    transition: margin-left .5s;
    padding: 20px;
  }
  
  /* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */
  @media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
  }

  /*............python..........*/
  .bg-y{
    background-color: yellow;
    border-radius: 10px;
  }

  .hcd{
    background: url(../img/software/module1/module1/1.1/1.1-01.jpg);
  }
/* phone: keep images and code blocks inside the viewport */
img{max-width:100%;height:auto}
pre,code{white-space:pre-wrap;word-break:break-word}