<div id="Content">
    <div id="loginContent"></div>
    <div id="signupContent"></div>
</div>
I have a root div here. I want to display the child divs horizontally. How to do this?
<div id="Content">
    <div id="loginContent"></div>
    <div id="signupContent"></div>
</div>
I have a root div here. I want to display the child divs horizontally. How to do this?
You mean this?
#Content {
  display: flex;
}
#loginContent {
  flex: 1;
}
#signupContent {
  flex: 1;
}
#loginContent,
#signupContent {
  float: left;
  width: 50%;
}
#Content {
  text-align: center;
}
#loginContent,
  #signupContent {
  display: inline-block;
}
Use inline-block Fiddle:
#loginContent, #signupContent {
display: inline-block;
}
or you can use float Fiddle:
#signupContent {
float: right;
}