:root {
	/* --main-color: #1b75bc; */
  --main-color: #0d4d80;
	--second-color: #5ebc5e; 
    --black-color: #000000;
	--icon-color: #dedede;
    --white-color: #ffffff;
    --title-color: #ffffff;
    --text-color: #ffffff;
    --body-color: #ffffff;
	--footer-color: #0d4d80;
	--logo-color: #FCF8F4;
	--gradient: linear-gradient(0deg, rgba(13,13,11,1) 0%, rgba(9,9,9,1) 100%);
	--preloader-color: #0d4d80;
	--gray-color: #cccccc;

	--text-font: 'Helvetica Neue LT', sans-serif;
    --text-font-ultra: 'Helvetica Neue ULT', sans-serif;
    --title-font: 'Helvetica Neue LT', sans-serif;
    --text-font-size: 10px;
    --title-font-size: 2rem;
    --biggest-font-size: 5rem;
    --bigger-font-size: 4rem;
    --big-font-size: 2rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;
    --text-line-height: 2rem;


}


* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}
html {
	font-size: var(--text-font-size);
	font-family: var(--text-font);
	scroll-behavior: smooth;
}

body
{
	background-attachment: fixed;
	overflow-x: hidden;
	background-image: url(img/bg.jpg);
	background-position: center center;
	background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 5rem;
}

div.kontakt
{
  color: var(--main-color);
  font-size: 1.75rem;
  padding: 1rem;
}

div.kontakt a
{
  color: var(--main-color);
  margin-left:1rem;
  text-decoration: none;
  transition: 1s;
}

div.kontakt a:hover
{
  text-decoration: underline;
  color: var(--second-color);
}

.btn-register {
    padding-top: 2rem;
    padding-bottom: 2rem;
    padding-left: 4rem;
    padding-right: 4rem;
    color: var(--main-color);
    text-transform: uppercase;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.0);
    margin: 2rem auto;
    transition-duration: 0.4s;
    position: relative;
    overflow: hidden;
    width: 250px;
    text-align: center;
    font-size: 1.25rem;
    
  }
  
  .btn-register:hover {
    background: none;
    color: var(--main-color);
  }
  
  .btn-register span {
    transition: 0.5;
    opacity: 1;
    margin: 0;
    padding: 0;
  }
  
  .btn-register span:nth-child(1) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--main-color));
    animation: animate1 2s linear infinite;
  }
  
  @keyframes animate1 {
    0% {
      transform: translateX(-100%);
    }
    100% {
      transform: translateX(100%);
    }
  }

  
  .btn-register span:nth-child(2) {
    position: absolute;
    top: 0;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--main-color));
    animation: animate2 2s linear infinite;
    animation-delay: 1s;
  }
  
  @keyframes animate2 {
    0% {
      transform: translateY(-100%);
    }
    100% {
      transform: translateY(100%);
    }
  }
  
  .btn-register span:nth-child(3) {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to left, transparent, var(--main-color));
    animation: animate3 2s linear infinite;
  }
  
  @keyframes animate3 {
    0% {
      transform: translateX(100%);
    }
    100% {
      transform: translateX(-100%);
    }
  }
  
  .btn-register span:nth-child(4) {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to top, transparent, var(--main-color));
    animation: animate4 2s linear infinite;
    animation-delay: 1s;
  }
  
  @keyframes animate4 {
    0% {
      transform: translateY(100%);
    }
    100% {
      transform: translateY(-100%);
    }
  }