How to implement button stretching depending on screen resolution?

Question

css

Can you please tell me how to implement so that the buttons fill the entire available width evenly?

background-color: #1A292C;
  margin: 0;
  padding-left: 2.5%;
  padding-top: 0.75%;
  padding-bottom: 0.75%;
  font-family: 'Open Sans', sans-serif; 
  color: #FFFFFF;
  text-align: center;
  word-spacing: 100px; 
  box-shadow: 0.0em 0.2em 5px rgba(0,0,0,0.0);
  min-width: 1024px;

Answer 1

width: 100%

Answer 2

Instead of min-width: 1024px;
max-width: 1024px
width:100%;

Answer 3

display:block;
width:50%;