style.css

/*
 * @author Kunal Chaudhary
 */

.timer-style{
    float: right;
    font-size: 1.4em;
    position: fixed;
    top: 0px;
    display:block;
    width:100%;
    height: 1px;
    text-align: center;
    z-index: 555;
    color: #fff;
    overflow: visible;
}
.timer_bg{
    margin-left:auto;
    margin-right:auto;
    width:125px;
    background-color: #000;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    text-align: center;
}
/*popup style*/
h1.custom{
	text-transform: uppercase;
	color:#3b5998;
	font-size:18px;
	text-align: center;
}
h2.custom{
    margin:0;
    font-weight: 200;
}
body{
	min-width:270px;
}
#total-timer-display, #current-timer-display{
    background-color:#4267b2;
    margin: 0px auto 20px auto;
    border-radius: 1px;
    height:50px;
    display: block;
    color: #fff;
    text-align: center;
    line-height: 2em;
    font-size: 2em;
}
.animate{
    transition: all 0.1s;
    -webkit-transition: all 0.1s;
}

.action-button{
    position: relative;
    padding: 5px 8px;
    border-radius: 5px;
    margin:auto 10px;
    font-family: cursive;
    font-size: 1.2em;
    color: #FFF;
    text-decoration: none;
    max-width: 200px;
    text-align: center; 
}

.blue{
    background-color: #3498DB;
    border-bottom: 5px solid #2980B9;
    text-shadow: 0px -2px #2980B9;
}

.red{
    background-color: #E74C3C;
    border-bottom: 5px solid #BD3E31;
    text-shadow: 0px -2px #BD3E31;
}

.green{
    background-color: #82BF56;
    border-bottom: 5px solid #669644;
    text-shadow: 0px -2px #669644;
}

.yellow{
    background-color: #F2CF66;
    border-bottom: 5px solid #D1B358;
    text-shadow: 0px -2px #D1B358;
}

.action-button:active{
    transform: translate(0px,5px);
    -webkit-transform: translate(0px,5px);
    border-bottom: 1px solid;
}