Help me solve this task.  Insert the following declarations to the style rule for the square class selector. For each declaration, you must first include a declaration with the -webkit- prefix, followed by the standard declaration. Animation name property that specifies the name of the @keyframes rule animation. Animation duration property with a value of 5 seconds. MY CSS  /* CSS reset */ body, header, main, section, footer, h1, h2 {     margin: 0;     padding: 0;     border: 0; } /* Style rule for body */ body {   background-color: #f0d8d1; } /* Style rules for header */ header {   padding: 3%;   text-align: center;   font-size: 1.5em;   font-weight: bold; } /* Style rules for main content area  */ main {   font-family: Verdana, Arial, sans-serif;   font-size: 1em;   margin: 0 2%;   padding: 1em;   background-color: #fff;   border: 5px double #33091b;      padding: 2%; } h2 {     padding-bottom: 1%; } section {     margin-bottom: 3%; } button {     height: 3em;     font-size: 1em; } .square {     width: 200px;     height: 200px;     background-color: #33091b;     margin-left: 6%;     -webkit-animation-name: text-animation,color;      animation-name: text-animation,color;      -webkit-animation-duration: 5s;      animation-duration: 5s;      -webkit-animation-iteration-count: infinite;      animation-iteration-count: infinite;  } @-webkit-keyframes text-animation {   0%{font-size: 1em;}   50%{font-size: 2em;}   100%{font-size: 1.35em;} } @keyframes text-animation {   0%{font-size: 1em;}   50%{font-size: 2em;}   100%{font-size: 1.35em;} } /* Animation */     @-webkit-keyframes color {      from { background-color: #fbdae9; }          to { background-color: #660b32; } }      @keyframes color {     from { background-color: #fbdae9; }     to { background-color: #660b32; } } /* Style rules for the footer */ footer {   font-size: .90em;   text-align: center;   margin-top: 2em; }

New Perspectives on HTML5, CSS3, and JavaScript
6th Edition
ISBN:9781305503922
Author:Patrick M. Carey
Publisher:Patrick M. Carey
Chapter4: Graphic Design With Css: Creating A Graphic Design For A Genealogy website
Section: Chapter Questions
Problem 8CP1
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Help me solve this task. 

Insert the following declarations to the style rule for the square class selector. For each declaration, you must first include a declaration with the -webkit- prefix, followed by the standard declaration.

  • Animation name property that specifies the name of the @keyframes rule animation.
  • Animation duration property with a value of 5 seconds.

MY CSS 

/* CSS reset */
body, header, main, section, footer, h1, h2 {
    margin: 0;
    padding: 0;
    border: 0;
}

/* Style rule for body */
body {
  background-color: #f0d8d1;
}


/* Style rules for header */
header {
  padding: 3%;
  text-align: center;
  font-size: 1.5em;
  font-weight: bold;
}

/* Style rules for main content area  */
main {
  font-family: Verdana, Arial, sans-serif;
  font-size: 1em;
  margin: 0 2%;
  padding: 1em;
  background-color: #fff;
  border: 5px double #33091b; 
    padding: 2%;
}

h2 {
    padding-bottom: 1%;
}

section {
    margin-bottom: 3%;
}

button {
    height: 3em;
    font-size: 1em;
}

.square {
    width: 200px;
    height: 200px;
    background-color: #33091b;
    margin-left: 6%;
    -webkit-animation-name: text-animation,color; 
    animation-name: text-animation,color; 
    -webkit-animation-duration: 5s; 
    animation-duration: 5s; 
    -webkit-animation-iteration-count: infinite; 
    animation-iteration-count: infinite; 
}

@-webkit-keyframes text-animation {
  0%{font-size: 1em;}
  50%{font-size: 2em;}
  100%{font-size: 1.35em;}
}

@keyframes text-animation {
  0%{font-size: 1em;}
  50%{font-size: 2em;}
  100%{font-size: 1.35em;}
}

/* Animation */    
@-webkit-keyframes color { 
    from { background-color: #fbdae9; }
         to { background-color: #660b32; }
}   
 
@keyframes color {
    from { background-color: #fbdae9; }
    to { background-color: #660b32; }
}

/* Style rules for the footer */
footer {
  font-size: .90em;
  text-align: center;
  margin-top: 2em;
}
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