* {
    margin: 0;  
    padding: 0;
}

nav {      
    padding: 1em;
    display: flex;
    justify-content: space-around;
}

header {
    width: auto;
    margin: auto 0;
}

header, footer {
    background-color: #4c8ed2;
    color: #403f46;
}

header div h1 {
    font-size: 2.75em;
    display: inline;
}

.greeting {
    width: 50%;
    display: flex;
    flex-direction: column;
}

.buttons {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

button {
    font-size: 1.25em;
    margin: 5px;
    padding: 10px;
    border-radius: 10px;
    color:  #403f46;    
    background-color:  #1cb9b5;     
    box-shadow: 10px 5px 5px #67cbc4;
}

button span {
    vertical-align: middle;
    padding-left: 5px;
    padding-right: 5px;
}

main {
    padding: 0.5em;
    background-color:#9a6db6;
    display: flex;
    justify-content: center;
    margin: auto 0;
    width: auto;
}

.cat-img {
    margin: 3px;
    height: 500px;
    width: auto;
    border-radius: 10px;
    border: 5px solid  #6d5a8c;
}

footer {
    width: auto;
    margin: auto 0;
}

footer p {
    padding: 1em;
    text-align: center;
    font-size: 1.5em;
}