html{   
    width: 100%;   
    height: 100%;   
    overflow: hidden;   
    font-style: sans-serif;   
}   
body{   
    width: 100%;   
    height: 100%;   
    font-family: 'Open Sans',sans-serif;   
    margin: 0;
    background-color: #dfe6cc;
}   
#signUp{   
    position: absolute;   
    top: 50%;   
    left:60%;   
    margin: -150px 0 0 -150px;   
    width: 300px;   
    height: 300px;   
}   
  
input{   
    width: 278px;   
    height: 18px;   
    margin-bottom: 10px;    
    padding: 10px;   
    font-size: 13px;   
    color: rgb(0, 0, 0); 
    border-top: 1px solid #312E3D;   
    border-left: 1px solid #312E3D;   
    border-right: 1px solid #312E3D;   
    border-bottom: 1px solid #56536A;   
    border-radius: 4px;   
}  
#but_signup{   
    width: 80%;   
    min-height: 20px;   
    display: block;   
    background-color: #4a77d4;   
    border: 1px solid #3762bc;   
    color: #fff;   
    padding: 9px 14px;
    padding-bottom: 20px;
    font-size: 15px;   
    line-height: normal;   
    border-radius: 5px;   
    margin: 0; 
}
#picSignUp{
    position: absolute;   
    top: 25%;   
    left:15%;
}