Gentle octopus

<div class="box-avatar">
  <div class="avatar">
      <svg class="avatar-icon" viewBox="0 0 17 15">
        <path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1H3Zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6Z"></path>
      </svg>
    </div>
</div>
  <div class="notification">    
    <div class="notification-info">
      <p class="notification-text"> <span class="highlight">Player</span> reached <b>level 15!</b> </p>
    </div>
  </div>

/* From Uiverse.io by alexruix - Tags: notification */
.notification {
  display: flex;
  width: 0;
  background: #ddd;
  border-radius: 10px;
  animation: slideIn 1s ease-in-out 1.25s forwards;
}

.notification-info {
  display: inline-flex;
  overflow: hidden;
  background-color: #181818;
  color: #fff;
  width: 100%;
  border-radius: 12px 8px 8px 12px;
  padding-left: 16px;
  align-items: center;
}

.notification-text {
  opacity: 0;
  padding: 10px 8px;
  white-space: nowrap;
  animation: textInfo 1s ease-in-out 1.5s forwards;
}

.highlight {
  color: #ffc300;
}

.box-avatar {
  background-color: #181818;
  padding: 6px;
  width: 4.5em;
  height: 4.5em;
  border-radius: 50%;
  margin-right: -20px;
  box-shadow: 6.2px 3.1px 38.2px -6px rgba(0, 0, 0, 0.2), 63px 32px 176px -6px rgba(0, 0, 0, 0.1);
  z-index: 1;
}

.avatar {
  background-color: #FDA203;
  padding: .6em;
  border-radius: 50%;
}

.avatar-icon {
  width: 100%;
  height: 100%;
  fill: white;
  animation: grow 2s ease-in-out 3;
}

/*Animations*/
@keyframes slideIn {
  0% {
    width: 0;
    padding: 2px;
  }

  100% {
    width: 250px;
    padding: 2px;
  }
}

@keyframes textInfo {
  0% {
    opacity: 0%;
    margin-left: -20em;
  }

  100% {
    opacity: 100%;
    margin-left: 0;
  }
}

@keyframes grow {
  0% {
    transform: scale(100%) translateY(0%);
  }

  50% {
    transform: scale(100%) translateY(-10%);
  }

  100% {
    transform: scale(100%) translateY(0%);
  }
}

<div class="box-avatar">
  <div class="avatar">
      <svg class="avatar-icon" viewBox="0 0 17 15">
        <path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1H3Zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6Z"></path>
      </svg>
    </div>
</div>
  <div class="notification">    
    <div class="notification-info">
      <p class="notification-text"> <span class="highlight">Player</span> reached <b>level 15!</b> </p>
    </div>
  </div>
<style>
/* From Uiverse.io by alexruix - Tags: notification */
.notification {
  display: flex;
  width: 0;
  background: #ddd;
  border-radius: 10px;
  animation: slideIn 1s ease-in-out 1.25s forwards;
}

.notification-info {
  display: inline-flex;
  overflow: hidden;
  background-color: #181818;
  color: #fff;
  width: 100%;
  border-radius: 12px 8px 8px 12px;
  padding-left: 16px;
  align-items: center;
}

.notification-text {
  opacity: 0;
  padding: 10px 8px;
  white-space: nowrap;
  animation: textInfo 1s ease-in-out 1.5s forwards;
}

.highlight {
  color: #ffc300;
}

.box-avatar {
  background-color: #181818;
  padding: 6px;
  width: 4.5em;
  height: 4.5em;
  border-radius: 50%;
  margin-right: -20px;
  box-shadow: 6.2px 3.1px 38.2px -6px rgba(0, 0, 0, 0.2), 63px 32px 176px -6px rgba(0, 0, 0, 0.1);
  z-index: 1;
}

.avatar {
  background-color: #FDA203;
  padding: .6em;
  border-radius: 50%;
}

.avatar-icon {
  width: 100%;
  height: 100%;
  fill: white;
  animation: grow 2s ease-in-out 3;
}

/*Animations*/
@keyframes slideIn {
  0% {
    width: 0;
    padding: 2px;
  }

  100% {
    width: 250px;
    padding: 2px;
  }
}

@keyframes textInfo {
  0% {
    opacity: 0%;
    margin-left: -20em;
  }

  100% {
    opacity: 100%;
    margin-left: 0;
  }
}

@keyframes grow {
  0% {
    transform: scale(100%) translateY(0%);
  }

  50% {
    transform: scale(100%) translateY(-10%);
  }

  100% {
    transform: scale(100%) translateY(0%);
  }
}
</style>