stylesheet.css

html {
  height: 100%;
  width: 100%;
}

body {
  background: white;
  font-family: 'Century Gothic',verdana,arial,helvetica,sans-serif;
  min-width: 960px;
  line-height: 1.5;
  background-image: url("./images/exclusive_paper.jpg");
  padding-bottom: 30px;
}

::selection {
  background: #5cbcff;
}

.clearfix:after {
	visibility: hidden;
	display: block;
	font-size: 0;
	content: " ";
	clear: both;
	height: 0;
}


h1 {
  font-size: 25px;
  color: #333;}

h2 {
  font-size: 22px;
  color: #333;
  font-weight: normal;
}

p {
  font-size: 16px;
  color: #333;
  margin: .75em 0;
}

a {
  padding: 0px 5px;
  color: #4164d2;
  text-decoration: none;
}

a:hover {
  background: #4164d2;
  color: white;
}

p a {
  color: #4164d2;
  padding: 0;
}

p a:hover {
  text-decoration: underline;
  background: none;
  color: #4164D2;
}

.emphasis {
  font-style: italic;;
}

/*-------------------------------------------------------------*/
/*-----------------------HEADER--------------------------------*/
/*-------------------------------------------------------------*/

header {
  background: #f5dd00;
}

.night {
  background-color: #183964;
  background-image: url("./images/stars-trans.png"),-webkit-gradient(linear, left top, left bottom, from(rgb(24, 57, 100)), to(rgb(73, 101, 158)));
  background-image: url("./images/stars-trans.png"),-webkit-linear-gradient(top, rgb(24, 57, 100), rgb(73, 101, 158));
  background-image: url("./images/stars-trans.png"),-moz-linear-gradient(top, rgb(24, 57, 100), rgb(73, 101, 158));
  background-image: url("./images/stars-trans.png"),-o-linear-gradient(top, rgb(24, 57, 100), rgb(73, 101, 158));
  background-image: url("./images/stars-trans.png"),-ms-linear-gradient(top, rgb(24, 57, 100), rgb(73, 101, 158));
  background-image: url("./images/stars-trans.png"),linear-gradient(top, rgb(24, 57, 100), rgb(73, 101, 158));
  filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#183964', EndColorStr='#49659e');
}

.header-width {
  width: 960px;
  margin: 0 auto;
  position: relative;
}

.yellow-box {
  height: 160px;
  padding: 30px;
  clear: both;

}

.yellow-box a {
  display: block;
  outline: none;
  color: #1A1918;
}

.yellow-box a:hover {
  background: none;
  color: none;
}

.logotype {
  color: #232221;
  font-size: 150px;
  font-weight: bold;
  float: right;
  margin-top: 83px;
  line-height: .75;
  position: relative;
  z-index: 10;
  height: 107px;
  width: 319px;
  display: block;
  background-image: url("./images/logotype-trans.png")
}

.skyline {
  margin-left: 30px;
  position: absolute;
  left: 0px;
  top: 95px;
  width: 454px;
  height: 125px;
  background-image: url("./images/skyline2.png");
  background-repeat: none;
}

.skyline-searchlight {
  margin-left: 30px;
  position: absolute;
  left: 0px;
  top: 0px;
  width: 467px;
  height: 220px;
  background-image: url("./images/skyline-contact.png");
  background-repeat: none;
}

.griffith {
  display: none;
  position: absolute;
  float: right;
  right: -500px;
  top: 150px;
  height: 72px;
  width: 136px;
  background-image: url("./images/griffith.png");
  background-repeat: none;
}

.logotype span {
  font-size: 100px;
}

.tagline {
  margin-top: 15px;
  font-size: 21px;
}

.night .tagline {
  color: white;
}

/*-------------------------------------------------------------*/
/*-----------------------NAVIGATION----------------------------*/
/*-------------------------------------------------------------*/

.navigation {
  background: #232221;
  height: 30px;
  padding: 15px 0;
  position: relative;
  z-index: 100;
}

.navigation-width {
  width: 960px;
  margin: 0 auto;
  text-align: center;
}

.navigation a {
  color: white;
  text-decoration: none;
  font-size: 22px;
  padding: 0px 8px;
  margin-left: 9px;
}

.navigation a:hover {
  background: #f5dd00;
  color: black;
}

.navigation .current {
  color: #f5dd00;
} 

/*-------------------------------------------------------------*/
/*-----------------PAGE CONTENT--------------------------------*/
/*-------------------------------------------------------------*/

.main-width {
  min-width: 960px;
  width: 960px;
  margin: 0 auto;
}

.next-event-announcement {
  margin: 20px;
  padding: 20px;
  font-size: 24px;
  text-align: center;
}

/*-----------Divider for each event in "Past Event" page----------*/
.past-event-divider {
  margin: 0 40px;
  padding: 20px;
  font-size: 34px;
  text-align: center;
  background: url("./images/highlight-past.png") 110px no-repeat;
}

.past-event-announcement {
  margin: 40px auto;
  margin-bottom: 10px;
  font-size: 34px;
  text-align: center;
  width: 870px;
  padding: 10px;
  text-shadow: 0px 2px 4px #989898;
}

.past-event-announcement span {
  padding: 0 50px;
  font-size: 21px;
  display: block;
}

.sponsors {
  width: 400px;
  height: 148px;
  margin: 1em auto;
  margin-bottom: 3em;
}

.sponsors-2x {
  width: 890px;
  height: 148px;
  margin: 36px auto;
  margin-bottom: 70px;
}

sponsors a, .sponsors-2x a {
  height: 148px;
}

.sponsors a:hover, .sponsors-2x a:hover {
  background: none;
}

.sponsors img, .sponsors-2x img {
  box-shadow: 0px 0px 5px #777;
  border-radius: 10px;
  margin: 5px;
}

.sponsors-2x img:hover {
  box-shadow: 0px 0px 10px #777;

}

/*-----------Link to the presentation's material, only on "Past Event" page----------*/
.presentation {
  margin: 0 10px;
  background: #F2D900;
  padding: 0px 06px;
  color: #333;
  font-size: 22px;
}

.presentation:hover {
  background: #333;
  color: #F2D900;
}

.keynote, .lightning {
  margin: 2em auto;
  width: 870px;
  border-bottom: 1px dashed #C8C8C8;
  padding-bottom: 2em;
}

.lightning:last-child {
  padding-bottom: 2em;
}

.keynote-image, .lightning-image {
  padding: 10px;
  background: white;
  float: left;
  display: block;
  box-shadow: 0px 1px 5px #777;
}

.lightning-image{
  margin-left: 20px;
}

.keynote-detail, .lightning-detail {
  width: 690px;
  float: right;
}

.event-photos {
  width: 870px;
  margin: 2em auto;
  border-bottom: 1px dashed #C8C8C8;
  padding-bottom: 2em;
}

.event-photos a {
  display: inline-block;
  padding: 5px;
  padding-bottom: 10px;
  background-color: #fbfaf8;
  margin: 5px;
  box-shadow: 0px 1px 5px #777;
}

.event-photos a:hover {
  padding-bottom: 0;
  -webkit-transition: padding-bottom .2s;
}

.info-box {
  width: 870px;
  margin: 0 auto;
  padding-top: 20px;
  padding-bottom: 50px;
}

.info-map {
  float: right;
  background: white;
  padding: 10px;
  width: 440px;
  box-shadow: 0px 1px 5px #777;
}

.info-details {
  width: 320px;
  float: left;
}

.info-details h1 {
  text-align: center;
}


/*-------------------------------------------------------------*/
/*-------------------RSVP WITH FORM ELEMENTS-------------------*/
/*-------------------------------------------------------------*/

.rsvp-button {
  display: block;
  color: white;
  background: #4164d2;
  width: 300px;
  font-size: 21px;
  margin: 1em auto;
  margin-bottom: 2em;
  text-align: center;
  padding: 10px;
  border-radius: 10px;
}

.rsvp-button:hover{
  background: #273c7f;
}

.rsvp-preview span {
  text-decoration: underline;
}

.rsvp-preview-limit {
  display: block;
  color: white;
  background: #f45f4b;
  width: 400px;
  font-size: 21px;
  margin: 0 auto;
  text-align: center;
  padding: 10px;
  border-radius: 10px;
}

.rsvp {
  text-align: center;
  background-image: url("./images/yellow_exclusive_paper.jpg");
  width: 500px;
  margin: 60px auto;
  margin-bottom: 40px;
  padding: 1em;
  box-shadow: inset 0px 1px 2px gray;
  border: 1px solid white;
}

.rsvp h2 {
  font-size: 28px;
  font-weight: bold;
}

.rsvp span {
  font-size: 19px;
  font-weight: normal;
}

.control-group {
  padding: 10px;
}

label {
  width: 100px;
  margin-left: 60px;
  float: left;
  text-align: left;
  font-size: 18px;
  line-height: 2.75;
}

.rsvp input[type="email"], .rsvp input[type="text"] {
  margin-top: 10px;
  width: 200px;
  font-size: 16px;
  padding: 7px 14px;
  border-radius: 4px;
  border: 1px solid #DDD;
  box-shadow: inset 0 1px 1px #333;
  color: #333;
  outline: none;
}

.rsvp .captcha-input {
  width: 180px;
  clear: both;
  margin-left: -10px;
  margin-bottom: 40px;
}

.rsvp input[type="submit"] {
  display: inline-block;
  padding: 5px 35px 5px;
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.7;
  margin-top: 8px;
  color: #333;
  text-align: center;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
  vertical-align: middle;
  background-color: whiteSmoke;
  background-image: -moz-linear-gradient(top, white, #E6E6E6);
  background-image: -ms-linear-gradient(top, white, #E6E6E6);
  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(white), to(#E6E6E6));
  background-image: -webkit-linear-gradient(top, white, #E6E6E6);
  background-image: -o-linear-gradient(top, white, #E6E6E6);
  background-image: linear-gradient(top, white, #E6E6E6);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#e6e6e6', GradientType=0);
  border-color: #E6E6E6 #E6E6E6 #BFBFBF;
  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
  filter: progid:dximagetransform.microsoft.gradient(enabled=false);
  border: 1px solid #CCC;
  border-bottom-color: #B3B3B3;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  cursor: pointer;
}

.rsvp input[type="submit"]:hover {
  color: #333;
  text-decoration: none;
  background-color: #E6E6E6;
  background-position: 0 -15px;
  -webkit-transition: background-position 0.1s linear;
  -moz-transition: background-position 0.1s linear;
  -ms-transition: background-position 0.1s linear;
  -o-transition: background-position 0.1s linear;
  transition: background-position 0.1s linear
}

.rsvp input[type="submit"]:active {
  background-image: none;
  -webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
  -moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
  background-color: #E6E6E6;
  background-color: #D9D9D9 9;
  outline: 0;
}

.rsvp input[type="text"]:-moz-placeholder, .rsvp input[type="email"]:-moz-placeholder {
  color: #999;
}

#captcha-image {
  float: left;
  margin-left: 50px;
  margin-top: 20px;
}

.contact-box {
  width: 870px;
  margin: 0 auto;
  padding: 40px;
}