Make div 100% Width of Browser Window

Question 1

Make div 100% Width of Browser Window

html css sass fullscreen

Mike K. · Jul 17, 2014 · Viewed 125.3k times · Source

Answer

Answer

There are new units that you can use:

vw - viewport width

vh - viewport height

#neo_main_container1
{
   width: 100%; //fallback
   width: 100vw;
}

Help / MDN

Opera Mini does not support this, but you can use it in all other modern browsers.

CanIUse

Question 2

I'm trying to make one of my containers 100% of the width of the screen.

Here is my SASS

body, html { 
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

#neo_wrapper {  
    width: 960px;
    height: 1500px;
    margin: 0 auto;

    #neo_main_container1 {  /* Slide1 container */
        width: 100%;
        height: 100%;
        margin: 0 auto;
        background: #999999;
        z-index: 350;

        #neo_scroll_button {    /* Div that enables scroll */
            position: absolute;
            bottom: 35px;
            left: 0;
            right: 0;
            margin: 0 auto;
            width: 150px;
            height: 15px;
            background: #F00;
            color: #FFF;
            text-align: center;
            line-height: 15px;
            display: table; 

            a { 
                &:link {text-decoration: none; color: #FFF;}
                &:visited {text-decoration: none; color: #FFF;}
            }
       }
    }

     #neo_main_container2 {
        width: 100%;
        height: 100%;
        margin: 0 auto;
        background: #CCC;
        z-index: 300;

        #neo_img_container {
           float: left;
           width: 350px;
           height: 500px;
            margin: 0 auto;
            margin-right: 15px;
         }

        #neo_text_container {
            float: left;
            width: 50%;
            height: 500px;
            margin: 0 auto;
        }
    }
 }

And HTML

<body>
<div id="neo_wrapper">
    <div id="neo_main_container1">  <!-- Start container1 -->
        <div id="neo_scroll_button" onClick="scrollBelow()">
            <p>Enter</p>
        </div>
    </div>  <!-- End of container1 -->
    <div id="neo_main_container2">  <!-- Start container2 -->
        <div id="neo_img_container">
            <img src="http://fpoimagery.com/?t=px&w=350&h=250&bg=0ff&fg=000000" />
        </div>
        <div id="neo_text_container">
            <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
        </div>
    </div>  <!-- End container2 -->
</div>

I want #neo_main_container1 to be the full width of the screen. Obviously because it's a child of #neo_wrapper, setting width to 100% will make it 960px. I'm sure how to circumvent this issue, so any help would be appreciated.

Updated: Here is my JS fiddle: http://jsfiddle.net/VkqjH/

Make div 100% Width of Browser Window

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