section {
  /* prioridades */
min-width: 75%; /* 1 */
max-width: 50%; /*2 */
width: 100%; /* 3 */
  
min-height: 75%; /* 1*/ 
max-height: 50%; /* 2*/
height: 100%; /* 3 */
  
background-color: coral;
}

Stop Using Pixels/Rems/Percentages To Define Widths In CSS