Css Code Only Pixeldev Code

.body{
        display: flex;
        justify-content: center;
        height: 100vh;
        background: #240229;
    }
    .loader{
        margin-top:8%; 
        position: relative;
        width: 70%;
        height: 70%;
        border-radius: 5% ;
        background: linear-gradient(#14ffe9,#ffeb3b,#ff00e0);
        animation: animate 0.5s linear infinite;
    }
    .loader span{
        position: absolute;
        width: 100%;
        height: 100%;
        border-radius: 5% ;
        background: linear-gradient(#14ffe9,#ffeb3b,#ff00e0); 
        animation: animate 0.5s linear infinite;
    }
    .loader span:nth-child(1){
        filter: blur(5px);
    }
    .loader span:nth-child(2){
        filter: blur(10px);
    }
    .loader span:nth-child(3){
        filter: blur(25px);
    }
    .loader span:nth-child(4){
        filter: blur(50px);
    }
    .loader:after{
        content: '';
        position: absolute;
        top: 10px;
        left: 10px;
        right: 10px;
        bottom: 10px;
        background: #240229;
        border-radius: 5%;
    }
    h1{
        position: absolute;
        margin: 0%;
        padding: 0%;
        margin-top: 12%;
        letter-spacing: 5px;
        color: rgb(196, 146, 230);
        font-family: "Comic Sans MS", cursive, sans-serif;
    }
    q{
        position: absolute;
        margin: 0%;
        padding: 0%;
        margin-top: 20%;
        color: rgb(196, 146, 230); 
        font-family: "Comic Sans MS", cursive, sans-serif;
    }
    .glow {
        -webkit-animation-duration: 1s;
        -webkit-animation-name: glow;
        -webkit-animation-direction: alternate;
        -webkit-animation-iteration-count: infinite;
        animation-duration: 1s;
        animation-name: glow;
        animation-direction: alternate;
        animation-iteration-count: infinite;
    
    }
    @-webkit-keyframes glow {
        from { text-shadow: 0 0 0px rgb(196, 146, 230); }
        to { text-shadow: 0 0 20px rgb(196, 146, 230); }
    }

45

Happy birthday banner

By: rald_dev

.container {
  display: grid;
  width: 750px;
  height: 600px;
  grid-template-columns: 200px 1fr 1fr;
  grid-template-rows: 80px 1fr 1fr 100px;
  grid-gap: 1rem;
  grid-template-areas:
      "header header header"
      "sidebar content-1 content-1"
      "sidebar content-2 content-3"
      "footer footer footer";
}

.header {
  grid-area: header;
}

.sidebar {
  grid-area: sidebar;
}

.content-1 {
  grid-area: content-1;
}

.content-2 {
  grid-area: content-2;
}

.content-3 {
  grid-area: content-3;
}

.footer {
  grid-area: footer;
  grid-row: 4 / 5;
  grid-column: 1 / 4;
}

/* OTHER STYLES */

body {
  background-color: #3b404e;
  display: flex;
  justify-content: center;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

.item {
  background-color: #1EAAFC;
  background-image: linear-gradient(130deg, #6C52D9 0%, #1EAAFC 85%, #3EDFD7 100%);
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  color: #ffffff;
  border-radius: 4px;
  border: 6px solid #171717;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
}

.header {
  background-color: #1EAAFC;
  background-image: linear-gradient(160deg, #6C52D9 0%, #9B8AE6 127%);
}

.sidebar {
  background-image: linear-gradient(203deg, #3EDFD7 0%, #29A49D 90%)
}

.content-1,
.content-2,
.content-3 {
  background-image: linear-gradient(130deg, #6C52D9 0%, #1EAAFC 85%, #3EDFD7 100%);
}

.footer {
  background-color: #6C52D9;
  background-image: linear-gradient(160deg, #6C52D9 0%, #9B8AE6 127%);
}

Layout

Happy birthday banner

By: rald_dev

CSS Grid Layout – with color

By: rald_dev

CSS Grid Layout

By: rald_dev