project-codepen/src/pages/Main.css

#body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 90vh;
  font-family: "Telefon Black", Sans-Serif;
}

.box {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #170422;
  max-width: 500px;
}

.box::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: #fff;
  z-index: -1;
}

.box::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: #fff;
  z-index: -2;
  filter: blur(40px);
}

.box::before,
.box::after {
  background: linear-gradient(235deg, #89ff00, #060c21, #00bcd4);
}

.content {
  padding: 40px;
  box-sizing: border-box;
  color: #ffffff;
  font-size: 20px;
}

.btn_form {
  width: 180px;
  height: 40px;
  text-decoration: none;
  color: #c9b6cf;
  text-align: center;
  line-height: 20px;
  display: block;
  margin-left: 10px;
  margin-right: 10px;
  font: normal 17px arial;
  cursor: pointer;
}

.btn_form:not(.active) {
  box-shadow: inset 0 1px 1px rgba(111, 55, 125, 0.8),
    inset 0 -1px 0px rgba(63, 59, 113, 0.2), 0 9px 16px 0 rgba(0, 0, 0, 0.3),
    0 4px 3px 0 rgba(0, 0, 0, 0.3), 0 0 0 1px #150a1e;
  background-image: linear-gradient(#3b2751, #271739);
  text-shadow: 0 0 21px rgba(223, 206, 228, 0.5), 0 -1px 0 #311d47;
}

.btn_form:not(.active):hover,
.btn_form:not(.active):focus {
  transition: color 200ms linear, text-shadow 500ms linear;
  color: #fff;
  text-shadow: 0 0 21px rgba(223, 206, 228, 0.5),
    0 0 10px rgba(223, 206, 228, 0.4), 0 0 2px #2a153c;
}

.btn_form:not(:hover) {
  transition: 0.6s;
}

.card {
  width: 500px;
  height: 360px;
  padding-left: 100px;
  margin-left: 470px;
  margin-top: 100px;
  padding-top: 10px;
  background: linear-gradient(#f0e2ef, #faf5f5);
  -webkit-box-shadow: inset 0 0 40px rgb(36, 16, 61);
  -moz-box-shadow: inset 0 0 40px rgb(37, 12, 58);
  box-shadow: inset 0 0 40px rgb(26, 10, 48);
}

.nick_style {
  display: block;
  width: 100px;
  margin-left: 115px;
}

.block_search {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn_search {
  width: 180px;
  height: 40px;
  text-decoration: none;
  color: #b5a2bb;
  margin-right: 200px;
  text-align: center;
  line-height: 20px;
  font: normal 17px arial;
  cursor: pointer;
  margin-bottom: 10px;
}

.btn_search:not(.active) {
  box-shadow: inset 0 1px 1px rgba(111, 55, 125, 0.8),
    inset 0 -1px 0px rgba(63, 59, 113, 0.2), 0 9px 16px 0 rgba(0, 0, 0, 0.3),
    0 4px 3px 0 rgba(0, 0, 0, 0.3), 0 0 0 1px #150a1e;
  background-image: linear-gradient(#3b2751, #271739);
  text-shadow: 0 0 21px rgba(223, 206, 228, 0.5), 0 -1px 0 #311d47;
}

.btn_search:not(.active):hover,
.btn_search:not(.active):focus {
  transition: color 200ms linear, text-shadow 500ms linear;
  color: #fff;
  text-shadow: 0 0 21px rgba(223, 206, 228, 0.5),
    0 0 10px rgba(223, 206, 228, 0.4), 0 0 2px #2a153c;
}

.btn_search:not(:hover) {
  transition: 0.6s;
}

.block_button_back {
  padding-top: 20px;
}

.field_for_search {
  width: 50%;
  margin-left: 370px;
}

::-webkit-input-placeholder {
  text-align: center;
}

.btn_block_search {
  margin-top: 10px;
  margin-left: 44%;
  margin-bottom: 10px;
}

.btn_block_back {
  padding: 10px;
}

.snippet_block {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.snippet {
  margin-bottom: 10px;
  border: 1px solid rgb(131, 111, 145);
  border-radius: 10px;
}

.snippet img {
  width: 100%;
  padding: 10px;
  height: 300px;
  box-shadow: 0 6px 10px 0 rgba(152, 128, 168, 0.4);
  transition: 0.3s;
  border-radius: 10px;
}

.snippet img:hover {
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.block_content {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.block_content p {
  font-size: 18px;
  font-family: "Telefon Black", Sans-Serif;
  line-height: 7px;
}

.btn_center {
  margin-left: 200px;
}