*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body
{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    min-height: 100vh;
    background: url(F.jpg);
    background-size: cover;
}



.box
{
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px;
    background: #060c21;
    transition: 0.5s;
}

.box:hover
{
    height: 400px;
}

.box .imgBx
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 10px;
    box-sizing: border-box;
}

.box .imgBx img
{
    height: 300px;
    width: 300px;
    max-width: 100%;
    opacity: 0.1;
    transition: 0.5s;
}

.box:hover .imgBx img
{
    opacity: 1;
}

.box:before
{
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: #fff;
    z-index: -1;
}

.box:after
{
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: #fff;
    z-index: -2;
    filter: blur(40px);
}

.box:before,
.box:after
{
    background: linear-gradient(235deg, #89ff00, #010615, #00bcd4);
}

.box:nth-child(2):before,
.box:nth-child(2):after
{
    background: linear-gradient(235deg, #ff005e, #010615, #fbff00);
}

.box:nth-child(3):before,
.box:nth-child(3):after
{
    background: linear-gradient(235deg, #772aff, #010615, #2196F3);
}

.box .content
{
    position: absolute;
    bottom: 0;
    left: 10px;
    right: 10px;
    bottom: 10px;
    height: 90px;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: 0.5s;
}

.box:hover .content
{
    opacity: 1;
}

.box .content h2
{
    font-size: 20px;
    color: #fff;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 1px;
}

.box .content h2 span
{
    font-size: 14px;
    color: #fff;
    font-weight: 200;
    letter-spacing: 2px;
}


.navbar ul{
    float: right;
    margin-right: 20px;
}

.navbar ul li{
    list-style: none;
    margin: 0 8px;
    display: inline-block;
    line-height: 80px;
}

.navbar ul li a{
    text-decoration: none;
    color: white;
    font-size: 20px;
    padding: 6px 13px;
    font-family: 'Robot', sans-serif;
    transition: .4s;
}

.navbar ul li a.active,
.navbar ul li a:hover{
    background: red;
    border-radius: 2px;
}