* {
    box-sizing: border-box;
}

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

body {
    background-image: url('../images/home-bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top center;
    position: relative;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: #ffffff;
}

.date-time {
    padding: 20px 20px 0 0;
    text-align: right;
    font-size: 20px;
    line-height: 1.75;
}

#date { font-weight: 700; }
#time { font-weight: 300; }

#greeting {
    position: relative;
    top: 26%;
    transform: translate3d(0, -50%, 0);
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 45px;
}

#greeting, #buttons { text-align: center; }

#buttons {
    position: relative;
    top: 30%;
    transform: transalte3d(0, -50%, 0);
    font-weight: 300;
    font-size: 12px;
}

ul.button-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

ul.button-list > li {
    display: inline-block;
}

ul.button-list a {
    color: #ffffff;
    padding: 14px 28px 12px;
    margin: 0px 25px;
    text-decoration: none;
    border: 1px solid #ffffff;
    background-color: transparent;
	letter-spacing: 0.5px;
    transition: color 0.2s ease-out, background 0.2s ease-out;
}

ul.button-list a:hover {
    color: #38394e;
    background-color: #ffffff;
}

@media screen and (max-width: 600px) {
	
	.date-time {
		font-size: 18px;
	}
	
	#greeting {
		font-size: 35px;
		top: 23%;
	}

    #buttons {
        top: 25%;
    }

    ul.button-list > li {
        display: block;
    }

    ul.button-list > li:nth-child(2),
    ul.button-list > li:nth-child(3) {
        margin: 30px 0;
    }

    ul.button-list a {
        display: block;
        margin: 0 auto;
        padding: 0;
		font-size: 12px;
        width: 220px;
        height: 40px;
        line-height: 40px;
    }

}