            input[type=text] {
    width: 80%;
    box-sizing: border-box;
    border: 2px solid black;
    border-radius: 4px;
    font-size: 16px;
    background-color: white;
    background-image: url('searchicon.png');

    background-repeat: no-repeat;
    padding: 5px 5px 5px 5px;
    -webkit-transition: width 1s ease-in-out;
    -moz-transition: width 1s ease-in-out;
    -o-transition: width 1s ease-in-out;
    transition: width 1s ease-in-out;
    ouline: none;
}

 .back {
    background-image: url(back.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.forward {
    background-image: url(forward.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.home {
    background-image: url(home.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.reload {
    background-image: url(reload.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.menu {
    background-image: url(menu.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.newtab {
    background-image: url(newtab.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}


            .button {
  display: inline-block;
  border-radius: 4px;
  background-color: green;
  border: none;
  color: #FFFFFF;
  text-align: center;
  font-size: 28px;
  width: 100px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
}
.button {visibility: hidden; width: 5px;}

            a:link {
color: blue;
}

/* visited link */
a:visited {
color: blue;
}

/* mouse over link */
a:hover {
color: hotpink;
}
.logo {width: 200px;}
.security {
    background-image: url(security.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
.titleclassroom {
    background-image: url(titleclassroom.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
    outline: none;
}
body {background-color: #ededed; font-family: verdana;}

  /* Styles go here */

.box {
    display:block;
    width:200px;
    height:100px;
    background-color:#DDD;
    padding: 5px ;
}
#pop {
    padding:5px 5px;
}
#example {
    position:relative;
}