Basic barebone css boilerplate

boilerplate.css

:active,:focus{outline:none;}
::-moz-focus-inner{border:0;}
input:focus,textarea:focus,button:focus{outline:none !important}
body{margin:0;padding:0}
img{height:auto;image-rendering:-webkit-optimize-contrast;max-width:100%}
select {
  /* for Firefox */
  -moz-appearance: none;
  /* for Chrome */
  -webkit-appearance: none;
}

/* Remove Arrows/Spinners */
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}