button.glow_button {
    width: 220px;
    height: 50px;
    border: none;
    outline: none;
    color: #fff;
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px 0px 10px 0px;
    font-family: 'Quicksand', sans-serif;
    font-size: 20px;
}

button.glow_button:hover {
    animation: appearance 1s
}

button.glow_button:before {
    content: '';
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px 0px 10px 0px;
}

button.glow_button:active {
    color: #000
}

button.glow_button:active:after 
{ background: transparent;
  animation: ab 0.2s linear;
  xanimation: at 0.2s linear;
} 

button.glow_button:hover:before 
{ opacity: 1;
}

button.glow_button:after 
{ z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 10px 0px 10px 0px;
}

@keyframes glowing 
{ 0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}

@keyframes ab
{ 0% {background: black;}
  100% {background: transparent;}
}

@keyframes at
{ 0% {color: #fff;}
  100% {color: #000;}
}





button.b_glow_button {
    width: 220px;
    height: 50px;
    border: none;
    outline: none;
    color: #fff;
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px 0px 10px 0px;
    font-family: 'Quicksand', sans-serif;
    font-size: 35px;
}

button.b_glow_button:hover {
    animation: appearance 1s
}

button.b_glow_button:before {
    content: '';
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px 0px 10px 0px;
}

button.b_glow_button:active {
    color: #000
}

button.b_glow_button:active:after {
    background: transparent;
}

button.b_glow_buttonr:before {
    opacity: 1;
}

button.b_glow_button:after {
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #111;
    left: 0;
    top: 0;
    border-radius: 10px 0px 10px 0px;
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}





A.glow_link 
{ width: 220px;
  height: 50px;
  border: none;
  outline: none;
  color: #fff;
  background: #111;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
  font-family: 'Quicksand', sans-serif;
  font-size: 25px;
}

A.glow_link:before 
{ content: '';
  background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  position: absolute;
  top: -2px;
  left:-2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity .3s ease-in-out;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
}

A.glow_link:active 
{ color: #000;
  text-decoration: none;
}

A.glow_link:active:after 
{ background: transparent;
  text-decoration: none;
}

A.glow_link:hover:before 
{ opacity: 1;
  text-decoration: none;
}

A.glow_link:after 
{ z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
}




@keyframes glowing 
{ 0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}





IMG.glow_img 
{ border: none;
  outline: none;
  color: #fff;
  background: #111;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
}

IMG.glow_img:before 
{ content: '';
  background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  position: absolute;
  top: -2px;
  left:-2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity .3s ease-in-out;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
}

IMG.glow_img:active 
{ color: #000;
  text-decoration: none;
}

IMG.glow_img:active:after 
{ background: transparent;
  text-decoration: none;
}

IMG.glow_img:hover:before 
{ opacity: 1;
  text-decoration: none;
}

IMG.glow_img:after 
{ z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 10px 0px 10px 0px;
  text-decoration: none;
}


@keyframes appearance
{ 0% { colour: #000; }
  100% { colour: #FFF; } 
}

@keyframes glowing 
{ 0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}







hr.glow_hr 
{ width: 500px;
  height: 10px;
  border: none;
  outline: none;
  color: #fff;
  background: #111;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 6px 0 6px 0;
  text-decoration: none;
}

hr.glow_hr:before 
{ content: '';
  background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  position: absolute;
  top: -2px;
  left:-2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity .3s ease-in-out;
  border-radius: 6px 0 6px 0;
  text-decoration: none;
}

hr.glow_hr:active 
{ color: #000;
  text-decoration: none;
}

hr.glow_hr:active:after 
{ background: transparent;
  text-decoration: none;
}

hr.glow_hr:hover:before 
{ opacity: 1;
  text-decoration: none;
}

hr.glow_hr:after 
{ z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 6px 0 6px 0;
  text-decoration: none;
}




@keyframes glowing 
{ 0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}










.btn {
  line-height: 50px;
  height: 50px;
  text-align: center;
  width: 250px;
  cursor: pointer;
}


.btn-one {
  color: #FFF;
  transition: all 0.3s;
  position: relative;
}
.btn-one span {
  transition: all 0.3s;
}
.btn-one::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  transition: all 0.3s;
  border-top-width: 1px;
  border-bottom-width: 1px;
  border-top-style: solid;
  border-bottom-style: solid;
  border-top-color: rgba(255,255,255,0.5);
  border-bottom-color: rgba(255,255,255,0.5);
  transform: scale(0.1, 1);
}
.btn-one:hover span {
  letter-spacing: 2px;
}
.btn-one:hover::before {
  opacity: 1; 
  transform: scale(1, 1); 
}
.btn-one::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.3s;
  background-color: rgba(255,255,255,0.1);
}
.btn-one:hover::after {
  opacity: 0; 
  transform: scale(0.1, 1);
}



.btn-two {
  color: #FFF;
  transition: all 0.5s;
  position: relative; 
}
.btn-two span {
  z-index: 2; 
  display: block;
  position: absolute;
  width: 100%;
  height: 100%; 
}
.btn-two::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.5s;
  border: 1px solid rgba(255,255,255,0.2);
  background-color: rgba(255,255,255,0.1);
}
.btn-two::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.5s;
  border: 1px solid rgba(255,255,255,0.2);
  background-color: rgba(255,255,255,0.1);
}
.btn-two:hover::before {
  transform: rotate(-45deg);
  background-color: rgba(255,255,255,0);
}
.btn-two:hover::after {
  transform: rotate(45deg);
  background-color: rgba(255,255,255,0);
}

.teszt 
{ background-color: white;
}

.teszt:hover
{ background-color: gold;
}