* {
    margin: 0;
    padding: 0;
}

.imgbox {
    display: grid;
    height: 100%;
}

.center-fit {
    max-width: 100%;
    max-height: 100vh;
    margin: auto;
}

nav {
    margin: 7px auto 0;
    position: relative;
    width: 710px;
    height: 50px;
    background-color: #34495e;
    border-radius: 8px;
    font-size: 0;
}

    nav a {
        line-height: 50px;
        height: 100%;
        font-size: 15px;
        display: inline-block;
        position: relative;
        z-index: 1;
        text-decoration: none;
        text-transform: uppercase;
        text-align: center;
        color: white;
        cursor: pointer;
    }

    nav .animation {
        position: absolute;
        height: 100%;
        top: 0;
        z-index: 0;
        transition: all .5s ease 0s;
        border-radius: 8px;
    }

a:nth-child(1) {
    width: 100px;
}

a:nth-child(2) {
    width: 110px;
}

a:nth-child(3) {
    width: 160px;
}

a:nth-child(4) {
    width: 100px;
}

a:nth-child(5) {
    width: 120px;
}

a:nth-child(6) {
    width: 120px;
}

nav .start-home, a:nth-child(1):hover ~ .animation {
    width: 100px;
    left: 0;
    background-color: #1abc9c;
}

nav .start-about, a:nth-child(2):hover ~ .animation {
    width: 110px;
    left: 100px;
    background-color: #e74c3c;
}

nav .start-blog, a:nth-child(3):hover ~ .animation {
    width: 160px;
    left: 210px;
    background-color: #3498db;
}

nav .start-portefolio, a:nth-child(4):hover ~ .animation {
    width: 100px;
    left: 370px;
    background-color: #9b59b6;
}

nav .start-contact, a:nth-child(5):hover ~ .animation {
    width: 120px;
    left: 470px;
    background-color: #e67e22;
}

nav .start-contact, a:nth-child(6):hover ~ .animation {
    width: 120px;
    left: 590px;
    background-color: #e67e22;
}

body {
    font-size: 12px;
    font-family: sans-serif;
    background: #675b50;
}

h1 {
    text-align: center;
    margin: 40px 0 40px;
    text-align: center;
    font-size: 30px;
    color: #ecf0f1;
    text-shadow: 2px 2px 4px #000000;
    font-family: 'Cherry Swash', cursive;
}

p {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    color: #ecf0f1;
    font-family: 'Cherry Swash',cursive;
    font-size: 16px;
}

span {
    color: #2BD6B4;
}