nãoconsigo encontrar o erro !

https://imgur.com/a/egHGloY não sei o que fiz de errado ...

.palavras{
    perspective: 6px;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.twitter-banner{
    width: 14em;
    line-height: 1em;
    padding: 1em 0;
    box-sizing: border-box;

    text-align: center;
    text-decoration: none;
    background-color: #3C1D3D;
    color: white;
    border: .25em solid black;

    font-size: 1.2rem;
    font-family: "open sans condensed" , sans-serif;
    position: absolute;
    top: 0%;
    right: 0;
    transform-origin: 0 100%;
    transform: translate(29.28%,-100%)
        rotate(45deg);
}
.saudacao em{
    display: inline-block;
    transform: rotate(-5deg)
        skewY(-10deg);
}
.foto-home{
    border-radius: 50%;
    height: 200px;
}
header{
    position: relative;
}
.titulo-principal ul{
    font-weight: bold;
    color: #D5447E;
    font-family: "shadows into light";
}
.eficiencia{
    position: absolute;
    top:38%;
    left:68%;
    transform: translate(-50%, -50%)rotate(30deg translateZ(3px);
}
.boas-praticas{
    position: absolute;
    top: 35%;
    left: 16%;
    transform: translate(-50%, -50%) rotate(-10deg) translateZ(1px);
}
.codigo-limpo{
    position: absolute;
    top:13%;
    left: 25%;
    transform: translate(-50%, -50%) rotate(-40deg) translateZ(3px);
}
.css3{
    position: absolute;
    top: 15%;
    right: 13%;
    transform: translate(-50%, -50%) rotate(40deg) translateZ(3px);
}
.html5{
    position: absolute;
    top:10%;
    right:31%;
    transform: translate(-50%, -50%) rotate(35deg) translateZ(4px);
}
.javascript{
    position: absolute;
    top: 54%;
    left: 22%;
    transform: translate(-50%, -50%) rotate(-20deg) translateZ(1px);
}
.acessibilidade{
    position: absolute;
    left: 78%;
    top: 58%;
    transform: translate(-50%, -50%) rotate(-25deg) translateZ(2px);
}
.responsivo{
    position: absolute;
    top: 14%;
    left: 10%;
    transform: translate(-50%, -50%) rotate(-25deg) translateZ(1px);
}
.otimizacoes{
    position: absolute;
    top: 39%;
    left: 90%;
    transform: translate(-50%, -50%) rotate(-25deg) translateZ(3px);
}
.agilidade{
    position: absolute;
    top: 49%;
    left: 7%;
    transform: translate(-50%, -50%) rotate(25deg) translateZ(3px);
}
.design{
    position: absolute;
    top: 28%;
    right: 18%;
    transform: translate(-50%, -50%) rotate(25deg) translateZ(1px);
}
.inicio-post{
    background-color: #F2FFFC;
    position:absolute;
    top: 4em;
    right: 4em;
    height: 8em;
    left: 30%;
    padding: 1.5em;
    color: #000;
}
.blog .mais-recente{
    background-color: #F2FFFC;
    color: #F26;
}
.foto-home {
    height: 200px;
}
.saudacao p {
    font-size:1.5em;
    color: #99A;
    line-height: 1;
    padding: 2em;
}
.saudacao-inicio {
    color: #889;
    font-size: 3em;
}
.saudacao-ultima-linha {
    text-align: right;
    display: block;
}
.saudacao strong {
    color: #000;
    font-size: 2em;
}
.saudacao em {
    color: #851944;
    font-size: 4em;
}
.botao-index {
    font-size: 1.25em;
    background-color: #851944;
    color: #FFF;
    padding: .5em;
    border: .2em solid black;
    width: 40ch;
    margin: 2em auto;
    display: block;
    text-align: center;
}
.secao-inicio{
    padding: 2em;
}
.secao-inicio h2 {
    font-size: 3em;
    text-shadow: 2px 2px #000;
    text-transform: uppercase;
    margin-bottom: .5em;
}
.trabalhos {
    background-color: #3C1D3D;
    border-top: .5em solid #000;
    border-bottom: .5em solid #000;
}
.trabalhos h2 {
    color: #FFF;
}
.trabalhos ul {
    overflow: hidden;
    border: .5em solid black;
}
.trabalhos li {
    float: left;
    width: 33.333%;
}
.trabalhos img {
    width: 100%;
    display: block;
}
.blog {
    background-color: #999;
    color: #FFF;
    border-bottom: .5em solid #851944;
    position: relative;
}
.blog small{
    position: relative;
    top:-2em;
}
.blog li a {
    color: #FCF;
    padding: .5em;
    display: block;
    width: 30%;
}
footer {
    background-color: #000;
    color: #FFF;
    padding: 2em;
}
footer h2{
    font-size: 3em;
}
footer a {
    color: #F99;
}
main {
    width: 100%;
    padding-bottom: 0;
    float: none;
}