Html – How can I ensure that my CSS content fits perfectly within the web browser window?

How can I ensure that my CSS content fits perfectly within the web browser window?

I’m facing an issue where the content, with dimensions of Width 1917.00 x Height 850.00, extends beyond the boundaries of my laptop’s Chrome browser window, requiring me to scroll to view it. Interestingly, on another laptop of the same model and browser, the content fits perfectly without the need for scrolling.

To mitigate this, I’ve observed that decreasing the zoom level to 75% on my laptop’s browser resolves the issue, allowing the content to fit snugly within the window without requiring a scrollbar.

Now, my question is: where in the CSS can I adjust the size to 75% universally, ensuring that the content fits perfectly within the browser window on every laptop model? My primary objective is to display the content fully without necessitating the use of a scrollbar.

I also do not want the button text size view to get smaller.

Here is my CSS CODE:

body {
  background-color: #fefff4;
  background-image: linear-gradient(#fefff4, #fefff4);
  margin: 0;
}

#bannerPx {
  padding: 0;
}

/* Banner Wrapper */
#banner {
  position: relative;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 40px;
  z-index: 10;
  background-color: #4fb3ff;
}

/* Banner Text */
#banner_text {
  text-align: center;
  font: bold 36px Century Gothic;
  color: #000000;
  z-index: 11;
  margin-left: 60px;
  margin-right: 60px;
}

#banner_text2 {
  margin-left: 20px;
}

#bannerimg {
  height: 100%;
}

#bannerIncludePx {
  height: 100%;
  position: relative;
}

#content {
  overflow: hidden;
  z-index: 9999;
  width: 1917px; 
  height: 870px;
}

#content iframe {
  margin: 0;
  padding: 0;
  width: 1917px;
  height: 870px;
  z-index: 300;
  background-color: #fefff4;
}

#console {
  height: 150px;
  margin-top: 0px;
  overflow: auto;
}

#console iframe {
  width: 100;%
  z-index: 200;
}

nav {
  margin: 0px 0px auto;
  position: relative;
  z-index: 2;
}

ul li img {
  margin-left: -20px;
  padding-right: 10px;
  vertical-align: middle;
}

#ci_wrapper {
  margin: 0 auto;
  width: 1917px;
  padding: 8px;
}

#menu,
#menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#menu {
  margin: 0;
  padding: 0;
  background-color: #4fb3ff;
  border-radius: 0;
  box-shadow: 0 1px 1px #777;
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
}

#menu:before,
#menu:after {
    content: "";
    display: table;
}

#menu:after {
    clear: both;
}

#menu {
    zoom:1;
}

#menu li {
    float: left;
    position: relative;
}


#menu a {
    float: left;
    padding: 10px 30px;
    color: #212121;
    text-transform: none;
    font: bold 15px Segoe UI;
    text-decoration: none;
}

#menu li:hover > a {
    color: #000000;
    background-image: linear-gradient(#4fb3ff, #4fb3ff);
}

#menu li:hover > a svg {
    transform: rotate(180deg);
}

*html #menu li a:hover { /* IE6 only */
    color: #b6c3d4;
}

#menu ul {
    margin: 20px 0 0 0;
    _margin: 0; /*IE6 only*/
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 41px;
    left: 0;
    z-index: 1;    
    background: #FFFFFF;   
    background: linear-gradient(#FFFFFF, #FFFFFF);
    box-shadow: 20px 20px 50px grey;   
    border-radius: 0px;
    transition: all .5s ease-in-out;
}

#menu li:hover > ul {
    opacity: 1;
    visibility: visible;
    margin: 0;
}

#menu ul ul {
    top: 0;
    left: 100%;
    margin: 0 0 0 20px;
    _margin: 0; /*IE6 only*/
    box-shadow: -1px 0 0 rgba(255,255,255,.3);      
}

#menu ul li {
    float: none;
    display: block;
    border: 0;
    _line-height: 0; /*IE6 only*/
    box-shadow: 0 0px 0 #111, 0 0px 0 #666;
}

#menu ul li:last-child {   
    box-shadow: none;    
}

#menu ul a {    
    padding: 10px 25px;
    _height: 10px; /*IE6 only*/
    display: block;
    white-space: nowrap;
    float: none;
    text-transform: none;
}

#menu ul a:hover {
    background-image: linear-gradient(#0095ff, #0095ff);
    color : #000000;
    font-size :14.5px;
}
#menu li a:hover {
    background-image: linear-gradient(#0095ff, #0095ff);
    color : #000000;
}

#menu ul li:first-child > a {
    border-radius: 0px 0px 0 0;
}

#menu ul li:first-child > a:after {
    content: '';
    position: absolute;
    left: 40px;
    top: -6px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #FFFFFF;
}

#menu ul ul li:first-child a:after {
    left: -6px;
    top: 50%;
    margin-top: -6px;
    border-left: 0; 
    border-bottom: 6px solid transparent;
    border-top: 6px solid transparent;
    border-right: 6px solid #FFFFFF;
}

#menu ul li:first-child a:hover:after {
}

#menu ul ul li:first-child a:hover:after {
    border-right-color: #424242; 
    border-bottom-color: transparent;   
}

#menu ul li:last-child > a {
    border-radius: 0 0 0px 0px;
}

/* Mobile */
#menu-trigger {
    display: none;
}

@media screen and (max-width: 600px) {

    #menu-wrap {
        position: relative;
    }

    #menu-wrap * {
        box-sizing: border-box;
    }

    #menu-trigger {
        display: block;
        height: 40px;
        line-height: 40px;
        cursor: pointer;        
        padding: 0 0 0 35px;
        border: 1px solid #BDBDBD;
        color: #9E9E9E;
        font-weight: bold;
        background-color: #fff;
        background: url(data:image/png;base64,iVBOR...) no-repeat 10px center, linear-gradient(#BDBDBD, #111);
        border-radius: 6px;
        box-shadow: 0 1px 1px #777, 0 1px 0 #666 inset;
    }

    #menu {
        margin: 0; padding: 10px;
        position: absolute;
        top: 40px;
        width: 100%;
        z-index: 1;
        display: none;
        box-shadow: none;       
    }

    #menu:after {
        content: '';
        position: absolute;
        left: 25px;
        top: -8px;
        border-left: 8px solid transparent;
        border-right: 8px solid transparent;
        border-bottom: 8px solid #BDBDBD;
    }   

    #menu ul {
        position: static;
        visibility: visible;
        opacity: 1;
        margin: 0;
        background: none;
        box-shadow: none;               
    }

    #menu ul ul {
        margin: 0 0 0 20px !important;
        box-shadow: none;       
    }

    #menu li {
        position: static;
        display: block;
        float: none;
        border: 0;
        margin: 5px;
        box-shadow: none;           
    }

    #menu ul li{
        margin-left: 20px;
        box-shadow: none;       
    }

    #menu a{
        display: block;
        float: none;
        padding: 0;
        color: #212121;
    }

    #menu a:hover{
        color: #9E9E9E;
    }   

    #menu ul a{
        padding: 0;
        width: auto;        
    }

    #menu ul a:hover{
        background: none;   
    }

    #menu ul li:first-child a:after,
    #menu ul ul li:first-child a:after {
        border: 0;
    }    

}

@media screen and (min-width: 600px) {
    #menu {
        display: block !important;
    }
}   

/* iPad */
.no-transition {
    transition: none;
    opacity: 1;
    visibility: visible;
    display: none;          
}

#menu li:hover > .no-transition {
    display: block;
    background-color: #b6c3d4;
}
svg {
    transition: transform 0.5s ease;
    overflow: hidden;
}
#menu li a img {
    float: left;
}