*{margin: 0px;}
#main
{
   align:center;
    height: 500px;
    width: 900px;
    background: #E4F1F1;
    margin: auto;
    box-shadow: silver 0px 0px 30px 0px;
    margin-top: 10px;
}
#info1
{
    background: #24495F;
    margin: auto;
}
#info2
{
    background: #D2E9FF;
    height: 500px;
}
#if2f0
{
    background: #E4F1F1;
    height: 30px;
    width: auto;
    text-align: center;
    color: red;
    font-weight: bolder;
}
#if2f3
{
    background: #FCF5DC;
    width: 400px;
    height: 20px;
    border: dashed green;
    border-bottom: none;
    border-top: none;
    margin: auto;
}
#if2f1
{
    background: #FAE4CF;
    width: 400px;
    margin: auto;
    text-align: center;
    height: 50px;
    font-size: 30px;
    font-family: sans-serif;
    color: #8000FF;
    border: dashed green;
    border-bottom: none;
    font-weight: bolder;
}
#dangnhap
{
    margin-top:5px;
}
#table
{
    margin: auto;
}
#if2f2
{
    
    background: #FCF5DC;
    width: 400px;
    margin: auto;
    color: #00A400;
    height: 120px;
    border: dashed green;
    border-top: none;
}
#mdk
{
    color: #8C0000;
    width: 120px;
    font-family: Arial;
}
#dk
{
    color: green;
    font-family: Arial;
    font-weight: bolder;
    text-align: center;
    font-size: 15px; 
    width: 100px;
}
#dk1
{
    margin-top: 5px;
    margin-left: 50px;
    color: red;
    font-style: italic;
}
#dk2
{
    color: blue;
    font-style: italic;
}
#bottom
{
    height: auto;
    background: #E4F1F1;	
    text-align: center;
}