:root {
    --color1: #373d48;
    --color2: #252932;
}

*{
    box-sizing: border-box;
}

header{
    background-color: var(--color1);
    color: white;
}

h4{
    background-color: var(--color2);
}

.contenedor {
  display: flex;          
  gap: 20px;              
}

.seccion-1{
  font-family: Arial, Helvetica, sans-serif;
  flex: 1; 
  padding: 0px;
  margin: 0px;
  background-color: #f0f0f0;
}

.seccion-2{

}

img{
    margin: 20px;
}

h1{
    margin: 20px;
}

h3{
    margin: 20px;
}