h2 {
    display: flex;
    justify-content: center;
}
.center {
    display: flex;
    justify-content: center;
   }
.header-left {
    float: left;
}
.header-right {
    float: right;
}
.clear {
    clear: both;
}

.header-right a {
    line-height: 56px;
    color: #5a5c5f;
    margin-left: 5px;
    font-size: 16px;
    padding: 16px 5px;
}
.header-right a:hover {
    background-color: #97cdf3;
    transition: background-color 0.5s;
}
.container {
    display: flex;
    flex-wrap: wrap;
}
.photo img {
    width: 500px; margin-left: 90px; margin-right: 0; padding-left: 30px;
    height: auto;
    tranjition: transform 0.5s ease;
}
.photo img:hover {
    width: 50%; margin-left: 90px;
    transform: scale(1.5);    
    transform-origin: center; 
    padding: 150px;
}
h3 {
    display: flex;
    justify-content: flex-end;
}
.footer-left {
    float: left;
}
.footer-right {
    float: right;
}
.footer {
    background-color: #e1eec1;
    color: black;
    margin: 5px;
    padding: 5px;
}