.para1 
{width: 50%; border-width: 5px; border-style: outset; background-color: darkgray; text-align: center; }
.para2
{padding: 5px; background-color: lightblue; text-align: center; font-weight: bold; }
.para3
{padding: 5px; text-align: left; background-color: #ffffff; }
.para4
{text-align: center; background-color: #ffffff; }