Css

*{
    margin:0;
    padding:0;
    outline:none;
    list-style:none;
}
body{
    font:700 16px Oswald;
}
#login{
    width:310px;
    margin:0 auto;
    position:relative;
    top:100px;
    border:10px solid #59c754;
    padding:15px;
}

.logo{
    width:250px;
    height:370px;
    margin:0 auto;
    padding:7px;
}


#login label{
    display:block;
    padding:5px 0 0 0;
}
.acomodar{
    margin:0 auto;
    width:550px;
}
.txt{
    border:none;
    height:30px;
    width:250px;
    border:thin solid #063;
}
.txt:focus{
    border:thin solid #FFA500;
    box-shadow:0 2px 10px #FFA500;
    -webkit-box-shadow:0 2px 10px #FFA500;
    -moz-box-shadow:0 2px 10px #FFA500;
}
.sb{
    display:block;
    border:none;
    width:250px;
    height:40px;
    margin-top:10px;
    cursor:pointer;
    font:400 18px Oswald;
    color:#666;
}
.sb:hover{
    background:#FF8040;
    color::fff;
}
/*classe de heranca*/
.bradius{
    border-radius:6px;
    -webkit-border-radius:6px;
    -moz-border-radius:6px;
}
.flet{
    float:left;
}
.fright{
    float:right;
}
/*multiplos estilos*/
.txt,.txt:focus, .sb,.sb:hover{
    transition:all 0.5s linear;
    -webkit-transition:all 0.5s linear;
    -moz-transition:all 0.5s linear;
}