* {
  box-sizing: border-box;
  font-family: Consolas;
}

.col-none { width: 25%; }
.col-menu { width: 100%; }
.col-links { width: 100%; }
.col-text { width: 100%; }
.col-yellow { width: 100%; }
.col-main-logo { width: 100%; }

ul { display: table; width: 100%;}
ul li a { padding: 5px 10px;}

@media only screen and (max-width: 900px) {
  .col-none { display: none; }
  .col-menu { width: 100%; }
  .col-text { width: 100%; }
  .col-links { width: 100%; }
  .col-video { width: 100%; }
  .col-main-logo { width: 100%; }
  
	ul li { 
	display:block;
	float:none;
	}
}

hr {
    display: block;
    height: 0.2px;
    border: 0;
    border-top: 1px solid #ccc;
    color: #A9A9A9;
    margin: 0.5em 0;
    padding: 0;
}

.background-color{
background: white;
}

.menu{
  text-align: center;
  margin-top: 1%;
  align-items: center;
  justify-content: center;
  list-style: none;
}

.links_menu{
  float: none;
  vertical-align: middle;
  display: inline-block;
  border-style: none;
  color: #A9A9A9;
  font-size: 25px;
  text-decoration: none;
  background-color: none;
}

@media only screen and (max-width: 900px) {
.links_menu{
  float: none;
  vertical-align: middle;
  display: inline-block;
  border-style: none;
  color: #A9A9A9;
  font-size: 15px;
  text-decoration: none;
  background-color: none;
}
}



.links_menu:hover{
  color: #A9A9A9;
  background-color: none;
  transform: scale(1.2);
}

.main-logo-block{
 display: inline-block;
 text-align: center;
}

.main-logo{
 margin-top: 0%;
 margin-bottom: -3%;
 margin-left: 35%;
 margin-right: 35%;
 width: 30%;
}

@media only screen and (max-width: 900px) {
.main-logo{
 margin-top: 0%;
 margin-bottom: -4%;
 margin-left: 5%;
 margin-right: 5%;
 width: 90%;
}
}

.text-block{
 display: inline-block;
 /*background-color: rgb(91, 155, 213);*/
 background-color: rgb(0, 0, 0);
 color: white;
}

.text{
 width: 100%;
 font-size: 16px;
 font-weight: 500;
 margin-left: 30%;
 margin-right: 30%;
 width: 40%;
 text-align: left;
}

@media only screen and (max-width: 900px) {
  .text{
   width: 100%;
   font-size: 16px;
   font-weight: 500;
   margin-left: 5%;
   margin-right: 5%;
   width: 90%;
   text-align: left;
  }
}

.larger-text{
 width: 100%;
 font-size: 20px;
 margin-left: 30%;
 margin-right: 30%;
 width: 40%;
 font-weight: 500;
 text-align: left;
}

.title-text{
 width: 100%;
 font-size: 40px;
  margin-left: 30%;
 margin-right: 30%;
 width: 40%;
 color: #A9A9A9;
 font-weight: 500;
 text-align: center;
 /*font-family: Helvetica;*/
}

.subtitle-grey{
  color: #A9A9A9;
  font-size: 20px;
}

.subtitle-white{
  color: #FFFFFF;
  font-size: 23px;
}

@media only screen and (max-width: 900px) {
.larger-text{
 width: 100%;
 font-size: 20px;
  margin-left: 5%;
 margin-right: 5%;
 width: 90%;
 font-weight: 500;
 text-align: left;
}
}
.links-block{
 display: inline-block;
 text-align: center;
}

.links{
  transition: transform 0.1s;
  width: 4em;
  margin-top: 15px;
  margin-left: 5px;
  margin-right: 5px;
}

.links:hover{
  transform: scale(1.2);
}

.yt {
  position: relative;
  display: block;
  width: 100%; /* width of iframe wrapper */
  height: 0;
  margin: auto;
  padding: 0% 0% 56.25%; /* 16:9 ratio */
  overflow: hidden;
}
.yt iframe {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.png_image{
  transition: transform 0.1s;
  width: 90%;
  margin-right: 5%;
  margin-left: 5%;
}

.text_bottom{
 width: 100%;
 font-size: 15px;
 font-weight: 500;
 text-align: center;
 background-color: none;
 margin-left: 0%;
}