style.css

@import url("https://rsms.me/inter/inter-ui.css");
/****RESET STYLE******/

*,
*:before,
*:after {
  box-sizing: border-box;
}

.clearfix:after {
  content: "";
  display: table;
  clear: both;
}

/****body styles ****/

body {
  margin: 1rem;
  padding: 0;
  text-rendering: optimizeLegibility;
  font-family: "Inter UI", sans-serif;
  background-color: #f6f6e9;
  color: #194769;
}

.header__skiplinks {
	padding: 10px;
}

a.skip-link {
	position: relative;
	z-index: -999;
	left: -999px;
}

a.skip-link:focus, a.skip-link:active {
	z-index: 999;
	left: auto;

}

/******HEADER SECTION*******/

.header__title {
  font-size: 4em;
  letter-spacing: 0.15em;
}

.header__list {
  display: none;
  background-color: #194769;
  list-style-type: none;
  padding: 20px 10px;
}

.header__list {
  list-style-type: none;
}

.header__list a {
  text-decoration: none;
  letter-spacing: 0.13em;
  color: #f6f6e9;
  font-size: 2em;
  /*    font-weight: normal;
*/
}
.header__list li {
  padding: 10px;
}

.header__hamburger input[type="checkbox"]:checked ~ .header__list {
  display: block;
}

input[type="checkbox"] {
  display: none;
}

input[type="checkbox"] + label {
  content: url(assets/menu.svg);
  height: 50px;
  position: absolute;
  right: 5%;
  top: 9.5%;
}

input[type="checkbox"]:checked + label {
  content: url(assets/x.svg);
  height: 50px;
}
.back-to-top-icon a img {
	height: 50px;
	position: fixed;
	right: 5%;
	bottom: 5%;

}

@media screen and (min-width: 600px) {
  
}


/******ABOUT SECTION*******/
.card__header figure{
  margin: 0 auto;
}


/******CARDS*******/

.card {
  display: flex;
  flex-direction: column;

  align-items: center;
  vertical-align: top;
  padding-top: 2rem;
}

.card > * {
  width: 100%;
}

.card__header {
  display: flex;
  flex-direction: column;

  justify-content: center;
}

.card__name {
  margin-top: 0;
  margin-bottom: 0;
}

.card__body {
  padding: 0px;
}

.card__avatar {
  margin-left: 0;
}

.card__avatar img {
  width: 10rem;
  border-radius: 11%;
}

.card__footer {
  margin-bottom: 4rem;
}

.card__footer > ul {
  list-style-type: none;
  padding-left: 0;

  display: flex;

}

.card__social-media li:nth-child(2) {
  margin-left: 1rem;
  margin-right: 1rem;
}

/*****CONTACT SECTION********/

input:valid,
textarea:valid {
  border: 1px solid green;
}

input:invalid {
  background-color: 2px solid grey;
}


input,
textarea {
  background-color: #d7eef2;
  vertical-align: middle;
  white-space: normal;
  line-height: 1;
  margin: 0;
  border: 0;
  padding: 0;
  display: inline-block;

  padding: 1rem;
  width: 100%;
  margin: 0.4rem 0 0.8rem;
}


::placeholder {
  font-family: "Inter UI", sans-serif;
  font-size: 0.8rem;
  color: rgba(25, 71, 105, 0.5);
}

.form__label {
  font-weight: 700;
  font-size: 0.9rem;
}

.form__button {
  background-color: #194769;
  border: none;
  width: 100%;
  padding: 0.5rem 0;
  font-family: "Inter UI", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #d7eef2;
}

.contact .section__text {
  padding: 20px;
  font-size: 1.1em;
  line-height: 1.5em;
}

/******FOOTER SECTION*******/


.footer__links {

}

.footer__copyright {

}

.footer {
  font-size: 1.3em;
  background-color: lightgrey;
  height: auto;
  margin-top: 20px;
  padding: 20px 10px;
}

.footer p {
  text-align: center;
}

.footer ul {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: space-around;
}

.footer ul li {
  display: inline;
}

.footer a {
  color: #194769;
  font-size: 2em;
  padding: 30px;
}

@media screen and (min-width: 600px) {
  
}

/**********GENERAL***********/
.section__title {
  font-weight: 900;
  font-size: 2.1rem;
}

.section__title:before {
  content: "";
  width: 3.5rem;
  height: 0.35rem;
  background-color: #f2855e;
  display: block;
}


.inner-section {
  padding: 3rem;
}

.is-hidden {
  display: none;
}

a {
  color: #8d3a00;;
  font-weight: 700;
}

@media screen and (min-width: 550px) {
  .inner-section {
    padding: 8rem;
  }
}

@media screen and (min-width: 720px) {
  body {
    margin: 0;
  }

  .header__title {
    margin: 0;
  }

  .header__list {
    display: flex;
    justify-content: space-between;
    background-color: #f6f6e9;
    margin: 0;
    padding: 0;
  }

  .header__list li {
    display: inline;
    padding-bottom: 5px;
  }

  .header__list a {
    color: #194769;
  }
  
  input[type="checkbox"] + label {
    display: none;
  }

  .section__text {
    max-width: 60%;
  }
  .card {
    width: 49%;
    display: inline-block;
  }
  .about {
    background-color: #d7eef2;
  }

  .inner-section {
    max-width: 58rem;
    margin: 0 auto;
    padding: 3rem 3rem 5rem 3.5rem;
  }

  .about .card:nth-child(odd) {
    padding-right: 2rem;
  }

  .about .card:nth-child(even) {
    padding-left: 2rem;
  }
  .team .card:nth-child(odd) {
    padding-left: 2rem;
  }

  .team .card:nth-child(even) {
    padding-right: 2rem;
  }

  .contact {
    background-color: #d7eef2;
  }

  .contact__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    grid-column-gap: 2rem;
  }

  input,
  textarea {
    background-color: #f6f6e9;
    resize: none;
  }

  textarea {
    height: 10rem;
  }

  .contact__form .form__message {
    grid-column: 2/3;
    grid-row: 1/3;
  }

  .contact__form .form__submit {
    grid-column: 2/3;
    grid-row: 3/4;
  }

  .card__blurb {
    max-width: 20rem;
  }

  .footer {
    display: flex;
    justify-content: space-around;
  }
  
  .footer p {
    padding-top: 12px;
  }
}

@media screen and (min-width: 950px) {
  .header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
  }
  .header__list li {
    margin-left: 35px;
  }
}