*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}
html, body{
    width: 100%;
    height: 100%;
    background-color: black;
}

body{
    background: url(Guts-02.gif) ;
    background-size: cover;
    background-attachment: fixed;
}
main{
    position: relative;
    height: 100vh;
}
#telefone{
    position: absolute;
    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);
    /* Ajustamento de bloco */
    height: 637px;
    width: 311px;
    background-color: red;
    background: url(frame-iphone.png) no-repeat;
}

iframe#tela{
    position: absolute;
    top: 60px;
    left: 20px;
    border-radius: 30px ;
    height: 546px;
    width: 267px;

    
}
section#redes-sociais{
    text-align: center;
}

section#redes-sociais img{
    margin: 5px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.4);
    box-sizing: border-box;
    cursor: pointer;

}
section#redes-sociais img:hover{
    border: 2px solid rgba(255, 255, 255, 0.6);
    transform: translate(5px, 5px);
    box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.623);
    transition: transform .5s, border 1s;
}
#steam img{
    background-color: white;
}