timer.css

body {
	overflow:hidden;
 }
 
 .backgroundImageDIV {
 background-image:url("assets/BG.jpg");
	/*this option isn't bad but 100vw also works instead of auto if you have the right kind of background where dimensions aren't critical*/
	background-size:auto 100vh;
	background-repeat: no-repeat;
 }
 
 
 .fullWidthTitle {
 text-align: center;
 background:rgb(0,0,0,.5);
 padding-top:25vh;
 padding-right:5vh;
 height:75vh;
 }

.holder {
	overflow:auto;
	position:absolute;
	height: 100vh;
	width: 105vw
}
html, body, .grid-container {
     margin: 0;
     padding: 0;
     font-family: 'Exo', sans-serif;
     font-weight: 300;
     width: 100%;
     font-size:1.3rem;
}
 h1, h2 {
     font-weight: 300;
     margin:0;
     padding:0;
     color:white;
}
 .sizeit {
     margin: 0;
     padding:0;
     width: 500px;
     height: 100vh;
     margin-left:auto;
     margin-right:auto;
}
 .grid-container {
     display: grid;
     text-align: center;
     grid-template-columns: 1fr 1fr 1fr 1fr;
     grid-template-rows: 1fr 1fr 1fr;
     gap: 1px 1px;
     /*removed header template area*/
     /*"timer-header timer-header timer-header timer-header"*/
     grid-template-areas:  "minutes-area minutes-area seconds-area seconds-area" "minutes-label minutes-label seconds-label seconds-label";
}
/*
 .timer-header {
     grid-area: timer-header;
    text-align: center;
     padding:0;
     margin:0;
}*/
 .minutes-area {
     grid-area: minutes-area;
    text-align: center;
    padding:0;
     margin:0;
}
 .seconds-area {
     grid-area: seconds-area;
     text-align: center;
    padding:0;
     margin:0;
    vertical-align:top;
}
 .minutes-label {
     grid-area: minutes-label;
    text-align: center;
     padding:0;
     margin:0;
    padding:0;
     margin:0;
    vertical-align:top;
}
 .seconds-label {
     grid-area: seconds-label;
    text-align: center;
    padding:0;
     margin:0;
    vertical-align:top;
}
/* For presentation only, no need to copy the code below */
/*
 .grid-container * {
     border: 1px solid red;
     position: relative;
     text-align: center;
}
*/