* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}

html,
body {
  display: grid;
  height: 100%;
  place-items: center;
  background-color: #1abc9c;
}
.main_page {
  width: 380px;
  background-color: #fff;
  border-radius: 5px;
}
.main_page .title {
  line-height: 80px;
  background-color: #16a085;
  text-align: center;
  border-radius: 5px 5px 0 0;
  color: #fff;
  font-size: 22px;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
}
.main_page form {
  padding: 30px 25px 25px 25px;
}
.main_page form .row {
  height: 45px;
  margin-bottom: 15px;
  position: relative;
}
.main_page form .row input {
  height: 100%;
  width: 100%;
  padding-left: 55px;
  border-radius: 5px;
  border: 1px solid lightgray;
  outline: none;
  font-size: 19px;
}
.main_page form .row i {
  position: absolute;
  width: 45px;
  height: 100%;
  background-color: #16a085;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  border-radius: 5px 0 0 5px;
  font-size: 18px;
}
form .row input:focus{
    border-color: #16a085;
    box-shadow: inset 0 0 2px 2px rgba(26, 188, 156, 0.25);
    transition: all 0.8s ease;
}

.main_page form .button input {
  background-color: #16a085;
  padding-left: 0;
  color: #fff;
  border: 1px solid #16a085;
  cursor: pointer;
  font-size: 20px;
}
form .button input:hover {
  background-color: #12876f;
  transition-duration: 0.3s;
}
.main_page form .pass {
  margin: -8px 0 20px 0;
}
.main_page form .pass a {
  color: #16a085;
  text-decoration: none;
  font-size: 17px;
}
.main_page form .pass a:hover {
  text-decoration: underline;
}
.main_page form .singup_link a {
  color: #16a085;
  text-decoration: none;
}
.main_page form .singup_link {
    text-align: center;
    font-size: 17px;
}
.main_page form .singup_link a:hover {
  text-decoration: underline;
}