@import url('https://fonts.googleapis.com/css2?family=PT+Sans&display=swap');

:root {
  --bgColor: #1a1c20;                     /* Change color of page background */
  --elementsColors: #e2e2e3;              /* Change color of words, buttons and icons */
  --buttonHover: #343a40;                 /* Change color of hover efect */
  --buttonHoverShadow: rgba(52,58,64,.5); /* Change color of shadow efect on mouse hover efect */
  --hrColor: #faf8ef;                     /* Change color of hr element */
}

* {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}


ol, ul {
  list-style: none;
}

body {
  font-family: "PT Sans", Helvetica, Arial, sans-serif;
  color: var(--elementsColors);
  background-color: var(--bgColor);
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.container {
  padding: 0.625rem 0.938rem;
}

.header {
  text-align: center;
  margin: 2rem 0;
}

.paragraph_img {
  border-radius: 50%;
  width: 100px;
  height: 100px;
  margin-bottom: 1rem;
}

.paragraph_title {
  font-size: 36px;
  margin-bottom: 1rem
}

.paragraph_description {
  max-width: 750px;
  font-size: 18px;
}

.links {
  display: block;
  align-items: flex;
}

.links-items-a {
  display: block;
  color: var(--elementsColors);
  text-align: center;
  text-decoration: none;
  padding: 0.5rem;
  margin-bottom: 20px;
  margin-left: 100px;
  font-size: 15px;
  border: 0.5px solid var(--elementsColors);
  border-radius: 5px;
  width: 550px;
  height: 5ex;
}

.links a:hover {
  background-color: var(--buttonHover);
  animation: mouseHover 1.5s;
  border-radius: 5px;
  text-decoration: none;
  border: none;
  box-shadow:0 0 0 .2rem var(--buttonHoverShadow)
}

@keyframes mouseHover {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.footer span {
  color:#ff0006;
}

.footer {
  padding: 1.625rem 0.938rem;
}

.footer hr {
  border: 2; border-top: 1px dotted var(--hrColor);
  width: 550px;
}

.footer h2 {
  font-size: 12px;
  margin-top: 5px;
  text-align: center;
}

@media only screen and (max-width: 600px) {
  .container {
    max-width: 300px;
  }

  .links-items-a {
    margin-left: 20px;
    width: 250px;
  }

  .footer hr {
    width: 250px;
    margin-left: 20px;
  }

  .footer h2 {
    margin-left: 20px;
  }
}

@media (min-width: 601px) and (max-width: 765px){
  .container {
    max-width: 450px;
  }

  .links-items-a {
    margin-left: 80px;
    width: 250px;
  }
  
  .footer hr {
    width: 100%;
    margin-left: -5px;
  }
}