html
{
	font-size: 1.5em;
}

body
{
	background-color: rgb(23, 23, 23);
	color: rgba(255, 255, 255, 0.815);
	margin-left: 20%;
	margin-right: 20%;
}

h3
{
	color: rgb(59, 193, 238);
	padding-left: 4%;
}

img
{
	display: block ;
	margin-left: auto ;
	margin-right: auto ;
	width: 35%;
	height: auto;
}

img.ced
{
	display: block ;
	margin-left: auto ;
	margin-right: auto ;
	width: 35%;
	height: auto;
}

.box
{
	text-align: center;
    width: 400px;
    height: 150px;
    background: rgb(31,31,31);
    position: relative;
    margin-left: auto;
    margin-right: auto;
}

.box::before,
.box::after 
{
    content:'';
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(45deg, 
    #ffec44, #000000, #ffec44, #000000,
    #ffec44, #000000, #ffec44, #000000,
    #ffec44);
    width: 100%;
    height: 100%;
    background-size: 500%;
    z-index: -1;
    transform: scale(1.02);
    animation: animate 50s infinite;
}
.box::after 
{
    filter: blur(20px);
}

@keyframes animate 
{
  0% { 
      background-position: 0 0; 
	 }
  50% { 
      background-position: 300% 0; 
	 }
  100% { 
      background-position: 0 0; 
	 }
}

.lien::before 
{
    content: '';
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    height: 100%;
    background: #77d5d5;
    border-radius: 50% 50% 0% 0%;
    z-index: -1;
    transition: all .5s;
}
.lien:hover::before 
{
    top: 0px;
    border-radius: 0;
}
.boxNT
{
	text-align: center;
    width: 400px;
    height: 180px;
    background: rgb(31,31,31);
    position: relative;
    margin-left: auto;
    margin-right: auto;
}

.boxNT::before,
.boxNT::after 
{
    content:'';
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(45deg, 
    #ffec44, #000000, #ffec44, #000000,
    #ffec44, #000000, #ffec44, #000000,
    #ffec44);
    width: 100%;
    height: 100%;
    background-size: 500%;
    z-index: -1;
    transform: scale(1.02);
    animation: animate 50s infinite;
}
.boxNT::after 
{
    filter: blur(20px);
}

@keyframes animate 
{
  0% { 
      background-position: 0 0; 
	 }
  50% { 
      background-position: 300% 0; 
	 }
  100% { 
      background-position: 0 0; 
	 }
}

.lien::before 
{
    content: '';
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    height: 100%;
    background: #77d5d5;
    border-radius: 50% 50% 0% 0%;
    z-index: -1;
    transition: all .5s;
}
.lien:hover::before 
{
    top: 0px;
    border-radius: 0;
}
a
{
    color: #ffec44;
}
a:visited
{
    color: #7d7d7d;
}
a:hover

{
    background-color: #000000;
}