*{
    box-sizing: border-box;
}
div.container{
    width: 80%;
    background-color: #181818;
    color: white;
    margin: 1.6em auto;
    display: grid;

}
div.container>.content{
    background-color: #181818;
    color:white;
}
div.container>.content>.principal{
    padding: 2em;
    background-color: #222222;
    margin: 0px;
}
div.container>.content>.principal>.titulo{
    grid-column: span 2;
}
div.container>.content>.aside{
    padding: 2em;
    background-color: black;
    margin: 0px;
}

.container>.logo>h1{
    text-align: center;
    font-size: 200%;
}
button{
    grid-column: span 2;
}
button, input{
    width: 100%;
    color:white;
    padding: 0.7em;
    background: none;
    border-bottom: 1px solid #d63031
}
button{
    background-color: #b70e21;
    border: 0px;
    text-transform: uppercase;
}