header{
    position: fixed;
    right: 0;
    left: 0;
    top: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.034);
    height: 63px;
    background-color: rgba(255, 255, 255, 0.609);
}
a{
    text-decoration: none;
}

.my-name{
    margin: 0;
    padding: 0;
    display: inline-block;
    line-height: 63px;
    font-size: 40px;
    padding-left: 20px;
    font-family: 'Lobster';
    color: rgba(0, 0, 0, 0.609);
}
.my-name a{
    color: rgba(0, 0, 0, 0.678);
}

.main-nav{
    list-style-type: none;
    margin: 0;
    margin-right: 0;
    float: left;
    font-size: 17px;
    text-transform: uppercase;
}

.main-nav li{
    float: left;
    padding: 0 0 4px;
    margin-right: 40px;
}

.main-nav li a{
    border-bottom: 2px solid transparent;
    transition-property: All;
    transition-duration: .7s;
    color: rgba(0, 0, 0, 0.486);
    padding-bottom: 10px;
}

.main-nav li:first-of-type a{
    margin-right: 10px;
}
.main-nav-container{
    position: absolute;
    top: 22px;
    right: 10px;
}


.main-nav li a:hover{
    border-bottom: 2px solid rgba(0, 0, 0, 0.699);
    color: black;
    padding-bottom: 4px;

}


article{
    position: relative;
    margin: 120px auto 50px;
    max-width: 750px;
}

article h1{
    font-family: 'Lobster';
    font-size: 100px;
    text-align: center;
}

footer{
    height: 10em;
    line-height: 10em;
    text-align: center;
    background-color: rgba(76, 80, 102, 0.781);
    position: relative;
    bottom: 0;
    left: 0;
    right: 0;
}
footer a{
    color: white;
}

h2{
    font-family: Cambria, Cochin, Georgia, Times, Times New Roman, serif;
    font-size: 40px;
    text-align: center;
}
.animation-section,
.transition-section{
    width: 200px;
    margin: 50px auto;
}
.transition-img{
    transition: all;
    transition-duration: 1s;
}

.transition-img:hover{
    transform: rotate(720deg);
}

.transition-img:active{
    transform: translateX(500px);
}

@keyframes shadow {
    from{
        opacity: 0;
        transform: translateX(-100px)
    }
    50%{
        opacity: 1;
    }
    to{
        opacity: 0;
        transform: translateX(100px)        
    }
}

.animation-img{
    animation-name: shadow;
    animation-duration:5s;
    animation-iteration-count:infinite;
    animation-fill-mode: forwards;
    
}