style.css

/*Custom Styles*/

body { font-family: sans-serif;color:#333;}

.tile {
	text-align: center;
	height: 100%;
	padding: 2.5% 0;
	background-color: #ececec;
	outline: 1px solid #FFF;
	-webkit-transition: all .5s ease-in-out;
	-moz-transition: all .5s ease-in-out;
	-o-transition: all .5s ease-in-out;
	transition: all .5s ease-in-out;
}

.grid-10-10 .tile {
	padding: 0%;
}

.nav-menu {
	padding:2%;
}

.container {
	margin:5% 10%;
}

.blank p {
	opacity: 0;
}

.time-container{
	text-align: right;
}
.time-container h1 {
	font-size: 2em;
}

.success-text {
	font-size: 18px;
    font-style: italic;
}
.success-button {
	font-size: 14px;
	padding-top:1%;
	margin-left: 1%;
	text-align: right;
}

.success-box {
	display: none;
}

.reset-button, .undo-button {
	float: left;
	margin-right:1%;
}

@media only screen and (min-width: 450px) and (max-width: 640px) {

  .time-container h1 { font-size: 1.5em; }

}


@media only screen and (max-width: 450px) {

  .time-container h1 { font-size: 1.3em; }

}