how to put two divs side by side in html code example

Example 1: how to align two divs side by side

.wrapper {
    display: flex;
    flex-wrap: wrap;
}

.wrapper>div {
    flex: 1 1 150px;
    height: 500px;
}

Example 2: div side by side

.float-container {
    border: 3px solid #fff;
    padding: 20px;
}

.float-child {
    width: 50%;
    float: left;
    padding: 20px;
    border: 2px solid red;
}


  

    
Float Column 1
  
  
  

    
Float Column 2