*
{
    margin: 0;
    padding: 0;
    font-family: consolas;
    box-sizing: border-box;
}
.heading{
    text-align: center;
    background: black;
}
.heading a{
    position: relative;
    display: inline-block;
    padding: 5px 45px;
    margin: 20px 20px 60px;
    color: #03e9f4;
    font-size: 48px;
    font-weight: bolder;
    text-decoration: none;
    overflow: hidden;
    letter-spacing: 10px;
    transition: 0.5s;
    -webkit-box-reflect: below 1px linear-gradient(transparent,#0005);
}
.heading a:hover{
    background: #03e9f4;
    color: #050801;
    box-shadow: 0 0 5px #03e9f4,
                0 0 25px #03e9f4,
                0 0 50px #03e9f4,
                0 0 200px #03e9f4;
}
.heading a span{
    position: absolute;
    display: block;
    
}
.heading a span:nth-child(1){
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,transparent,#03e9f4);
    animation: animate1 1s linear infinite;
}
.heading a span:nth-child(2){
    top: -100;
    right: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,transparent,#03e9f4);
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}
.heading a span:nth-child(3){
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg,transparent,#03e9f4);
    animation: animate3 1s linear infinite;
    animation-delay: 0.25s;
}
.heading a span:nth-child(4){
    bottom: -100;
    left: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg,transparent,#03e9f4);
    animation: animate4 1s linear infinite;
    animation-delay: 0.5s;
}
.center{
background: url("../images/hopp.jpg");
padding: 0 0 400px;

background-size: cover;
width: 100%;

}

.center ul li a{
    font-size: 25px;
    font-weight: bolder;
    text-decoration: none;
    padding: 100px;
    

}
.top-row{
    display: flex;
    justify-content: center;
    align-items: center;
    max-height: 100vh;
    /*flex-direction: column;*/
    flex-flow: row wrap ;
    background: #050801;

}
.top-row a{
    position: relative;
    display: inline-block;
    padding: 5px  30px;
    margin: 20px 20px 60px;
    color: #03e9f4;
    font-size: 24px;
    text-decoration: none;
    text-transform: uppercase;
    overflow: hidden;
    transition: 0.5s;
    letter-spacing: 5px;
    font-weight: normal;
    -webkit-box-reflect: below 1px linear-gradient(transparent,#0005);
}
.top-row a:nth-child(1){
    filter: hue-rotate(290deg);
}
.top-row a:nth-child(2){
    filter: hue-rotate(1700deg);
}.top-row a:nth-child(3){
    filter: hue-rotate(110deg);
}

.top-row a:hover{
    background: #03e9f4;
    color: #050801;
    box-shadow: 0 0 5px #03e9f4,
                0 0 25px #03e9f4,
                0 0 50px #03e9f4,
                0 0 200px #03e9f4;
}
.top-row a span{
    position: absolute;
    display: block;
}
.top-row a span:nth-child(1){
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,transparent,#03e9f4);
    animation: animate1 1s linear infinite;
}
@keyframes animate1{
    0%
    {
        left: -100%;
    }
    50%,100%
    {
        left: 100%;
    }
}
.top-row a span:nth-child(2){
    top: -100;
    right: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,transparent,#03e9f4);
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}
@keyframes animate2{
    0%
    {
        top: -100%;
    }
    50%,100%
    {
        top: 100%;
    }
}.top-row a span:nth-child(3){
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg,transparent,#03e9f4);
    animation: animate3 1s linear infinite;
    animation-delay: 0.25s;
}
@keyframes animate3{
    0%
    {
        right: -100%;
    }
    50%,100%
    {
        right: 100%;
    }
}.top-row a span:nth-child(4){
    bottom: -100;
    left: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg,transparent,#03e9f4);
    animation: animate4 1s linear infinite;
    animation-delay: 0.5s;
}
@keyframes animate4{
    0%
    {
        bottom: -100%;
    }
    50%,100%
    {
        bottom: 100%;
    }
}